javascript get random string
function getRandomString(length) { var randomChars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'; var result = ''; for ( var i = 0; i < length; i++ ) { result += randomChars.charAt(Math.floor(Math.random() * randomChars.length)); } return result; } //usage: getRandomString(20); // pass desired length of random string