javascript substring remove first character code example

Example 1: remove first 3 characters from string javascript

var string = "abcd";
console.log(string.substring(3)); //"d"

Example 2: javascript remove first character from string

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

Example 3: javascript remove first character from string

var newStr = str.substring(1);

Example 4: remove first char javascript

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

Example 5: javascript remove characters from beginning of string

// this will replace the first occurrence of "www." and return "testwww.com"
"www.testwww.com".replace("www.", "");

// this will slice the first four characters and return "testwww.com"
"www.testwww.com".slice(4);

// this will replace the www. only if it is at the beginning
"www.testwww.com".replace(/^(www\.)/,"");

Example 6: javascript remove first character from string

let str = 'ss';

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