how to remove the first character in string javascript code example

Example 1: delete first character javascript

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

Example 2: javascript remove first character from string

let str = " hello";
str = str.substring(1);

Example 3: remove first and last character from string javascript

const removeChar = (str) => str.slice(1, -1);

Example 4: javascript remove first character from string

let str = 's';

str = (function f(s) { // don't use on large strings
  		return s.length<=1?'':f(s.slice(0, -1))+s[s.length-1]
	})(str); // ""