how to tring string first character in javascript code example

Example 1: delete first character javascript

let str = 'Hello';
 
str = str.slice(1);
console.log(str);
 
/*
    Output: ello
*/

Example 2: remove first char javascript

let str = 'Hello';
 
str = str.substring(1);
console.log(str);
 
/*
    Output: ello
*/