create random string in javascript code example

Example 1: javascript generate random string

// Generate a random alphanumerical string of length 11 ( change substring parameter for other length)
Math.random().toString(36).substring(2);

Example 2: random alphabet javascript

Math.random().toString(36).substr(2, 5);

Example 3: random string generator node js

function makeid(length) {
    var result           = [];
    var characters       = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    var charactersLength = characters.length;
    for ( var i = 0; i < length; i++ ) {
      result.push(characters.charAt(Math.floor(Math.random() * 
 charactersLength)));
   }
   return result.join('');
}

console.log(makeid(5));

Example 4: how to generate random string in javascript

Math.random().toString(36).substring(2, 15) + Math.random().toString(36).substring(2, 15);