Hướng dẫn is all uppercase javascript? - là tất cả javascript chữ hoa?

Example

Convert to uppercase:

let text = "Hello World!"; let result = text.toUpperCase[];
let result = text.toUpperCase[];

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Definition and Usage

The

@Test
public void alternateUppercase[]{
    String testString = "This is a !!!!! test - of the emergency? broadcast System.";

    char[] arr = testString.toLowerCase[].toCharArray[];

    boolean makeUppercase = true;
    for [int i=0; i