_if.js

_if.js

(function (global) {
  "use strict";

  global._if = function () {
    var args = arguments;

    if (args.length == 3) {
      (args[0] ? args[1] : args[2])();
    } else if (args.length == 4) {
      args[0] ? setTimeout(args[1], args[3]) : setTimeout(args[2], args[3]);
    } else {
      throw new Error("something wrong :/");
    }
  };
}(window));