text: // See https://github.com/swannodette/om/wiki/Testing
  // and https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind#Compatibility
  if (!Function.prototype.bind) {
      Function.prototype.bind = function (oThis) {
          if (typeof this !== "function") {
              // closest thing possible to the ECMAScript 5 internal IsCallable function
              throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");
          }
  
          var aArgs = Array.prototype.slice.call(arguments, 1),
          fToBind = this,
          fNOP = function () {},
          fBound = function () {
              return fToBind.apply(this instanceof fNOP && oThis
                                   ? this
                                   : oThis,
                                   aArgs.concat(Array.prototype.slice.call(arguments)));
          };
  
          fNOP.prototype = this.prototype;
          fBound.prototype = new fNOP();
  
          return fBound;
      };
  }