how to remove first letter of string js code example

Example 1: delete first character javascript

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

Example 2: js remove first character from string

// Return a word without the first character
function newWord(str) {
	return str.replace(str[0],"");
	// or: return str.slice(1);
	// or: return str.substring(1);
}

console.log(newWord("apple"));	// "pple"   
console.log(newWord("cherry"));	// "herry"

Example 3: javascript remove first character from string

let str = 'ss';

str = new RegExp('^.(.*)').exec(str)[1]; // "s"