Collection of some useful (random) functions in Javascript

useful.js

  /**
   * Generates random integer between 2 interval.
   * Used for 
   * @param min
   * @param max
   * @returns {*}
   */
  function getRandomInt(min, max) {
    return Math.floor(Math.random() * (max - min + 1)) + min;
  }
  
    /**
   * Returns the query string value from URL
   * @param name
   * @returns {string}
   */
  function getParameterByName(name) {
    name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
    var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
      results = regex.exec(location.search);
    return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
  }