What is the difference between an if statement in if else statement and an if else if statement?

Anything or a program does not always go as they are planned or in that particular sequel. There might be situations where those decisions are to be changed, and some repetitions have to be done.

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If the clause is actually quite famous, especially in the programming language. In every sentence or a quote, the pseudo-code stays the same, while the main syntax might differ at times.

If vs Else If

The difference between If and Else If is that you can use the If block only at once or for one time in a sentence, while Else If can be used multiple times altogether as there is no barrier for it. When using If, it must be used in a conditional construct.

The ‘If’ clause is actually quite famous, especially in the programming language. In every sentence or a quote, the pseudo-code stays the same, while the main syntax might differ at times.

The ‘else if’ block will help you to construct many different combinations, but the condition here is this will only be the case if the very first condition of the sentence is found to be true, as then the rest of it can be skipped.

Comparison Table

Parameters of ComparisonIfElse IfUsesWhen using If it must be used in a conditional construct.When the ‘if’ condition used previously turns out to be false then the ‘else if’ block is turned out but in a very sequential manner.Meaning‘If’ is one of the helping verbs in the vocabulary used to describe a particular situation. although it does comes with some conditions along with it.The ‘else if’ block will help you to construct many different combinations but the condition here is this will only be the case if the very first condition of the sentence is found to be true.SyntaxIn every sentence or a quote, the pseudo-code stays the same while the main syntax might differ at times.With Else If there is no such case with the syntax.ConditionsThe ‘if’ block always requires a conditional clause while using it as it cannot be used without a condition.The only condition while using the Else If the clause is that the first block should be true.ExecutionThe ‘If’ clause is actually quite famous, especially in the programming language.While using ‘else if’ is that using it will block any other level of nesting in the sentence.

What is If?

‘If’ is basically used once in a sentence regardless of the condition or any other reason. The ‘if’ block always requires a conditional clause while using it, as it cannot be used without a condition.

When using If, it must be used in a conditional construct. Take, for example, as- ‘if it is sunny outside, the person goes for a walk.’

What is Else If?

The ‘Else If’ block is also one of the helping verbs in the English vocabulary, which is basically used when describing more than just one situation or even a condition.

Although the condition here still stays Boolean here. One thing to keep in mind while using ‘else if’ is that using it will block any other level of nesting in the sentence.

Main Differences Between If and Else If

1. The ‘if’ block always requires a conditional clause while using it as it cannot be used without a condition, while the only condition while using the Else If clause is that the first block should be true.
2. The If clause is actually quite famous, especially among the programming language but while using ‘else if’ is that using it will block any other level of nesting in the sentence.

References

1. https://ieeexplore.ieee.org/abstract/document/7020271/
2. https://books.google.com/books?hl=en&lr=&id=Y1hyGA5UFBMC&oi=fnd&pg=PA11&dq=what+is++if&ots=12y5a71gSW&sig=BYlLqlm58uSIMnRa26hKbvMeeec

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Sandeep Bhandari

Sandeep Bhandari is a full-time professional blogger, a digital marketer, and a trainer. I love anything related to technology.

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With just if/else, you’ll have two blocks of code, one that is executed when the if statement is true, and one that is executed whenever the if statement isn’t true.

With else if, you have at least 2 code blocks, one for your first if statement, when it is true, and then a second if statement, when the if statement isn’t true, but you want another condition to execute this block.

Let’s do a little code for a couple examples.

var i = 2
if (i == 1) {
    console.log("This number is a one!")
} else {
    console.log("That isn't a one!")
}

var i = 11
if(i == 1) {
    console.log("This is still a one")
} else if (i > 1 && i < 10) {
    console.log("This number is more than one, but less than ten!")
}

In the first example, we have exactly two possibilities, either the variable i is one, or it isn’t, a message is printed for both outcomes. We have our variable i set to 2, so it will be false and give us the second outcome.

In the second example, we have 3 potential outcomes. The first is that our variable i is one. Then we have greater than one and less than 10. The third outcome is that the variable is outside of our scope entirely, in which case, nothing will happen because we don’t have an else block for that last if statement. We have i set to 11, so all of our if and else if blocks will wind up doing nothing.

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