uppercase string in js
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!uppercase string in js
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!check if letter is uppercase javascript
const isUpperCase = (string) => /^[A-Z]*$/.test(string)Copyright © 2021 Codeinu
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