Function.prototype.bind-shim.js

if (! Function.prototype.bind) {
  Function.prototype.bind = function bind(context_this) {
    if (Object.prototype.toString.call(this) === "[object Function]") {
      var
        arguments_trimmed = Array.prototype.slice.call(arguments, 1),
        function_to_bind  = this,
        function_noop     = function () {}
      ;

      var function_bound = function () {
        var arguments_all = arguments_trimmed.concat(Array.prototype.slice.call(arguments));

        return function_to_bind.apply((
          (this instanceof function_noop && context_this) ? this : context_this
        ), arguments_all);
      };

      function_noop.prototype  = function_to_bind.prototype;
      function_bound.prototype = new function_noop();

      return function_bound;
    } else {
      throw new TypeError("Function.prototype.bind - the object that you passed in is not callable.");
    }
  };
}

Function.prototype.bind-shim.min.js

Function.prototype.bind||(Function.prototype.bind=function(a){if("[object Function]"===Object.prototype.toString.call(this)){var b=Array.prototype.slice.call(arguments,1),c=this,d=function(){},e=function(){var e=b.concat(Array.prototype.slice.call(arguments));return c.apply(this instanceof d&&a?this:a,e)};return d.prototype=c.prototype,e.prototype=new d,e}throw new TypeError("Function.prototype.bind - the object that you passed in is not callable.")});