uppercase javascript
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!uppercase javascript
var str = "Hello World!";
var res = str.toUpperCase(); //HELLO WORLD!return first letter of string javascript in uppercase
function capitalizeFirstLetter(string) {
return string.charAt(0).toUpperCase() + string.slice(1);
}
console.log(capitalizeFirstLetter('foo')); // FooCopyright © 2021 Codeinu
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