trim word in javascript code example

Example 1: 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 2: js remove space before string

var str = "  Some text ";
str.trim();
// str = "Some text"

Example 3: javascript trim

var str=" I have outer spaces ";
var cleanStr=str.trim();//trim() returns string with outer spaces removed