bindImplementation.js

// can be used for browsers that doesn't have "bind" implemented

if(typeof Function.prototype.bind === 'undefined') {
  Function.prototype.bind = function(thisArgs) {
    var slice = Array.prototype.slice,
      args = slice.call(arguments),
      fn = this;
  
    return function() {
      return fn.apply(thisArgs, args.concat(slice.call(arguments)));
    }
  }
}