CODE EXAMPLE FOR JAVASCRIPT

generate random id javascript

 const makeid = (length) =>  {
        var result           = '';
        var characters       = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
        var charactersLength = characters.length;
        for ( var i = 0; i < length; i++ ) {
          result += characters.charAt(Math.floor(Math.random() * 
     charactersLength));
       }
       return result;
    }