#js #math #utils Generate random token

gistfile1.txt

/* Function to generate random numeric token. Usefull to append it at the end of URLs we don't want to be cached by the browser. <img src="/path/image.png?XXXXXXX"> */

var rand = function() {
  return Math.random().toString(36).substr(2); // remove '0.'
};

var token = function(char_num) {
  var token = rand() + rand(); // make it longer
  token = token.substr(0, char_num);
  return token;
};

//token(6);