JavaScript Code

How to convert string to uppercase using JavaScript?

Convert string to uppercase

Given a string, convert the string to uppercase using JavaScript.


To convert a given string to uppercase using JavaScript, call toUpperCase() method on the string. The method returns a new string with the characters in the given string converted to uppercase.


1. Given a string in str. Convert the string str to uppercase.

let str = 'Hello World';
let output = str.toUpperCase();