Hướng dẫn write a program in javascript to show fibonacci whether user entered number is prime or not - viết một chương trình bằng javascript để hiển thị fibonacci cho dù người dùng đã nhập số có phải là số nguyên tố hay không

Một số nguyên tố là một số nguyên dương chỉ chia hết cho 1 và chính nó. Ví dụ: 2, 3, 5, 7, 11 là một số số nguyên tố đầu tiên.1 and itself. For example, 2, 3, 5, 7, 11 are the first few prime numbers.

Ví dụ: Kiểm tra số nguyên tố

// program to check if a number is prime or not

// take input from the user
const number = parseInt(prompt("Enter a positive number: "));
let isPrime = true;

// check if number is equal to 1
if (number === 1) {
    console.log("1 is neither prime nor composite number.");
}

// check if number is greater than 1
else if (number > 1) {

    // looping through 2 to number-1
    for (let i = 2; i < number; i++) {
        if (number % i == 0) {
            isPrime = false;
            break;
        }
    }

    if (isPrime) {
        console.log(`${number} is a prime number`);
    } else {
        console.log(`${number} is a not prime number`);
    }
}

// check if number is less than 1
else {
    console.log("The number is not a prime number.");
}

Đầu ra

Enter a positive number: 23
23 is a prime number.

Trong chương trình trên, người dùng được nhắc nhập một số. Số được nhập bởi người dùng được kiểm tra nếu nó lớn hơn 1 bằng cách sử dụng câu lệnh if...else if... else.1 using if...else if... else statement.

  • 1 được coi là nguyên tố cũng không tổng hợp. is considered neither prime nor composite.
  • Tất cả các số âm được loại trừ vì số nguyên tố là dương.
  • Các số lớn hơn 1 được kiểm tra bằng cách sử dụng vòng lặp for.1 are tested using a for loop.

Vòng lặp for được sử dụng để lặp lại thông qua các số dương để kiểm tra xem số người dùng nhập có chia hết bởi các số dương không (2 đến số nhập của người dùng trừ 1).2 to user-entered number minus 1).

Điều kiện

Enter a positive number: 23
23 is a prime number.
1 kiểm tra xem số có chia hết cho các số khác với 1 và chính nó không.

  • Nếu giá trị còn lại được đánh giá thành 0, số đó không phải là số nguyên tố.0, that number is not a prime number.
  • Biến ISPRIME được sử dụng để lưu trữ giá trị boolean: đúng hoặc sai.true or false.
  • Biến ISPRIME được đặt thành false nếu số không phải là số nguyên tố.false if the number is not a prime number.
  • Biến ISPRIME vẫn đúng nếu số là số nguyên tố.true if the number is a prime number.

Nếu một số chỉ có hai yếu tố 1 và chính nó, thì con số là số nguyên tố. Do đó, bằng yếu tố chính của số đã cho, chúng ta có thể dễ dàng xác định một số nguyên tố.

0, 1, 1, 2, 3, 5, 8, 13, 21, ...

Một chuỗi Fibonacci được viết là:0 and 1. After that, the next term is defined as the sum of the previous two terms.


Trình tự Fibonacci là chuỗi số nguyên trong đó hai thuật ngữ đầu tiên là 0 và 1. Sau đó, thuật ngữ tiếp theo được định nghĩa là tổng của hai thuật ngữ trước đó.

// program to generate fibonacci series up to n terms

// take input from the user
const number = parseInt(prompt('Enter the number of terms: '));
let n1 = 0, n2 = 1, nextTerm;

console.log('Fibonacci Series:');

for (let i = 1; i <= number; i++) {
    console.log(n1);
    nextTerm = n1 + n2;
    n1 = n2;
    n2 = nextTerm;
}

Ví dụ 1: Sê -ri Fibonacci lên đến N Điều khoản

Enter the number of terms: 4
Fibonacci Series:
0
1
1
2

Đầu ra

Trong chương trình trên, người dùng được nhắc nhập số thuật ngữ mà họ muốn trong loạt Fibonacci.

Vòng lặp for lặp lại cho đến số được nhập bởi người dùng. is printed at first. Then, in each iteration, the value of the second term is stored in variable n1 and the sum of two previous terms is stored in variable n2.


0 được in lúc đầu. Sau đó, trong mỗi lần lặp, giá trị của thuật ngữ thứ hai được lưu trữ trong biến N1 và tổng của hai thuật ngữ trước đó được lưu trữ trong biến N2.

// program to generate fibonacci series up to a certain number

// take input from the user
const number = parseInt(prompt('Enter a positive number: '));
let n1 = 0, n2 = 1, nextTerm;

console.log('Fibonacci Series:');
console.log(n1); // print 0
console.log(n2); // print 1

nextTerm = n1 + n2;

while (nextTerm <= number) {

    // print the next term
    console.log(nextTerm);

    n1 = n2;
    n2 = nextTerm;
    nextTerm = n1 + n2;
}

Ví dụ 1: Sê -ri Fibonacci lên đến N Điều khoản

Enter a positive number: 5
Fibonacci Series:
0
1
1
2
3
5

Đầu ra

Trong chương trình trên, người dùng được nhắc nhập số thuật ngữ mà họ muốn trong loạt Fibonacci.0 and 1 are displayed beforehand. Then, a

Enter a positive number: 23
23 is a prime number.
3 loop is used to iterate over the terms to find the Fibonacci series up to the number entered by the user.

Nếu một số chỉ có hai yếu tố 1 và chính nó, thì con số là số nguyên tố. Do đó, bằng yếu tố chính của số đã cho, chúng ta có thể dễ dàng xác định một số nguyên tố.

Xem thảo luận

Cải thiện bài viết

  • Lưu bài viết
  • Đọc
  • Nếu một số chỉ có hai yếu tố 1 và chính nó, thì con số là số nguyên tố. Do đó, bằng yếu tố chính của số đã cho, chúng ta có thể dễ dàng xác định một số nguyên tố.

    Xem thảo luận

    Cải thiện bài viết

    Lưu bài viếtExamples:

    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime

    Đọc This example display the result by using alert function. 

    Bàn luận

    Enter a positive number: 23
    23 is a prime number.
    4

    Enter a positive number: 23
    23 is a prime number.
    5

    Enter a positive number: 23
    23 is a prime number.
    6

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 23
    23 is a prime number.
    8

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    0

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    2

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    4

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    6

    Một số nguyên tố là một số chia hết cho 1 và chính nó. Một vài số nguyên tố đầu tiên là: 2, 3, 5, 7, 11, 13, 17, Một JavaScript sử dụng mô hình DOM để kiểm tra số đầu vào là nguyên tố hay không và hiển thị thông báo cảnh báo tương ứng của nó trên màn hình. Ví dụ:

    Ví dụ 1: Ví dụ này hiển thị kết quả bằng cách sử dụng hàm cảnh báo. & NBSP;

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    6

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    8

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0for
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    1

    JavaScript

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    5
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    6
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    7
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    4

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    5
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    4

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    8
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    9

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    0

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    2

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    4

    Enter a positive number: 23
    23 is a prime number.
    9
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    8

    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    9

    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    0

    Enter a positive number: 23
    23 is a prime number.
    7
    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    2

    Enter a positive number: 23
    23 is a prime number.
    9
    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    4

    Enter a positive number: 23
    23 is a prime number.
    9
    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    6

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    1
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    2
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    3
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    4

    Enter a positive number: 23
    23 is a prime number.
    9if...else if... else0

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else2

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else4

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else6

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else8

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0for0

    Enter a positive number: 23
    23 is a prime number.
    9for2

    Enter a positive number: 23
    23 is a prime number.
    7for4

    for5

    for6

    Output:

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    3
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    4
    This example checks a given number is prime or not and display result on the console. 

    Bàn luận

    Enter a positive number: 23
    23 is a prime number.
    4

    Enter a positive number: 23
    23 is a prime number.
    5

    Enter a positive number: 23
    23 is a prime number.
    6

    Một số nguyên tố là một số chia hết cho 1 và chính nó. Một vài số nguyên tố đầu tiên là: 2, 3, 5, 7, 11, 13, 17, Một JavaScript sử dụng mô hình DOM để kiểm tra số đầu vào là nguyên tố hay không và hiển thị thông báo cảnh báo tương ứng của nó trên màn hình. Ví dụ:

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    0

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    2

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    4

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 23
    23 is a prime number.
    09

    Enter a positive number: 23
    23 is a prime number.
    9
    Enter a positive number: 23
    23 is a prime number.
    11

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    13

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    15

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    17

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    19

    Enter a positive number: 23
    23 is a prime number.
    9
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    9
    Enter a positive number: 23
    23 is a prime number.
    23

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    25

    Enter a positive number: 23
    23 is a prime number.
    9
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 23
    23 is a prime number.
    29

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    6

    Ví dụ 1: Ví dụ này hiển thị kết quả bằng cách sử dụng hàm cảnh báo. & NBSP;

    Ví dụ 1: Ví dụ này hiển thị kết quả bằng cách sử dụng hàm cảnh báo. & NBSP;

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    6

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    8

    JavaScript

    JavaScript

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    5
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    6
    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    7
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    4

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    5
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    4

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    8
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    9

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 23
    23 is a prime number.
    65

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    2

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 23
    23 is a prime number.
    69

    Enter a positive number: 23
    23 is a prime number.
    9
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    8

    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    9

    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    0

    Enter a positive number: 23
    23 is a prime number.
    9
    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    4

    Enter a positive number: 23
    23 is a prime number.
    9
    Input : 4
    Output : Not Prime
    
    Input : 5
    Output : Prime
    6

    Enter a positive number: 23
    23 is a prime number.
    9if...else if... else0

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else2

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else4

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    87

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0for0

    Enter a positive number: 23
    23 is a prime number.
    9for2

    Enter a positive number: 23
    23 is a prime number.
    7for4

    for5

    Enter a positive number: 23
    23 is a prime number.
    95

    Output:

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    1
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    2
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    3
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    4
    In this example we will reduce the time complexity of above method. Since all non-number are divisible to the prime number below it and except 2 all primes are odd hence to check if number is prime or not we have to check modulus of number only with odd number and 2 which is sufficient to check for prime.

    HTML

    Enter a positive number: 23
    23 is a prime number.
    4

    Enter a positive number: 23
    23 is a prime number.
    97
    Enter a positive number: 23
    23 is a prime number.
    98
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    01
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    05
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    0

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    2

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    12
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    05
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    17
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    18
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    19
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    20
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    23

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    25

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    27

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    5
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    29

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    33

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    37

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    39

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    41

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    43

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    45

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    6

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    8

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    51

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    53

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    4

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    57

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    4

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    2

    Enter the number of terms: 4
    Fibonacci Series:
    0
    1
    1
    2
    2
    Enter a positive number: 5
    Fibonacci Series:
    0
    1
    1
    2
    3
    5
    0

    Enter a positive number: 23
    23 is a prime number.
    9
    // program to generate fibonacci series up to a certain number
    
    // take input from the user
    const number = parseInt(prompt('Enter a positive number: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    console.log(n1); // print 0
    console.log(n2); // print 1
    
    nextTerm = n1 + n2;
    
    while (nextTerm <= number) {
    
        // print the next term
        console.log(nextTerm);
    
        n1 = n2;
        n2 = nextTerm;
        nextTerm = n1 + n2;
    }
    3

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    12
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    17
    Enter a positive number: 23
    23 is a prime number.
    99

    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    12
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    01
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    74
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    7
    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    78
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    82
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    83
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    82
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    88
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    89
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    88
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    Enter a positive number: 23
    23 is a prime number.
    97
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    94
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    95
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    19
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    97
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    Enter a positive number: 23
    23 is a prime number.
    97
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    01
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    02
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    19
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    04
    Enter a positive number: 23
    23 is a prime number.
    99

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0if...else if... else2

    Các

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    97
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    22
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    23
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    22
    Enter a positive number: 23
    23 is a prime number.
    99

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    97
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    10
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    18
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    19__331

    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    0
    Enter a positive number: 23
    23 is a prime number.
    97
    // program to generate fibonacci series up to n terms
    
    // take input from the user
    const number = parseInt(prompt('Enter the number of terms: '));
    let n1 = 0, n2 = 1, nextTerm;
    
    console.log('Fibonacci Series:');
    
    for (let i = 1; i <= number; i++) {
        console.log(n1);
        nextTerm = n1 + n2;
        n1 = n2;
        n2 = nextTerm;
    }
    22
    Enter a positive number: 23
    23 is a prime number.
    99

    Enter a positive number: 23
    23 is a prime number.
    9
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    1212

    Enter a positive number: 23
    23 is a prime number.
    7
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    12
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    78
    Enter a positive number: 23
    23 is a prime number.
    99

    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    12
    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    74
    Enter a positive number: 23
    23 is a prime number.
    99

    0, 1, 1, 2, 3, 5, 8, 13, 21, ...
    12
    Enter a positive number: 23
    23 is a prime number.
    98
    Enter a positive number: 23
    23 is a prime number.
    99

    Output:

    • Trước khi nhấp vào nút: & nbsp;

    nguyên tố

    • Sau khi nhấp vào nút:

    nguyên tố


    Làm thế nào để bạn tìm thấy số nguyên tố trong chuỗi Fibonacci?

    Số nguyên tố trong chuỗi trên = 2, 3, 5, 13. Đầu vào: N = 100 Đầu ra: 2 3 5 13 89 Giải thích: Ở đây, phạm vi (giới hạn trên) = 40 chuỗi Fibonacci lên đến N là 1, 1, 2, 3, 3,5, 8, 13, 21, 34, 55, 89. Số nguyên tố trong Fibonacci cho đến n: 2, 3, 5, 13, 89.Input : n = 100 Output: 2 3 5 13 89 Explanation : Here, range(upper limit) = 40 Fibonacci series upto n are 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89. Prime numbers in Fibonacci upto n : 2, 3, 5, 13, 89.

    Làm thế nào để bạn kiểm tra xem một số là số nguyên tố hay không trong JavaScript?

    Số điều kiện % i == 0 Kiểm tra xem số có chia hết cho các số khác với 1 và chính nó không.Nếu giá trị còn lại được đánh giá thành 0, số đó không phải là số nguyên tố.Biến ISPRIME được sử dụng để lưu trữ giá trị boolean: đúng hoặc sai.. If the remainder value is evaluated to 0, that number is not a prime number. The isPrime variable is used to store a boolean value: either true or false.

    Làm thế nào để bạn viết một chuỗi Fibonacci trong JavaScript?

    Trình tự ví dụ: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, v.v.(n-2), trong đó f (0) = 0, f (1) = 1.F(n) = F(n-1) + F(n-2), where F(0) = 0, F(1) = 1.

    Làm thế nào để bạn kiểm tra một số cho dù đó là Prime hay không?

    Nếu một số chỉ có hai yếu tố 1 và chính nó, thì con số là số nguyên tố.Do đó, bằng yếu tố chính của số đã cho, chúng ta có thể dễ dàng xác định một số nguyên tố.. Hence, by prime factorisation of the given number, we can easily determine a prime number.