blog-the-good-parts

gistfile1.js

Function.method('bind', function(that) {
  var method = this,
  slice = Array.prototype.slice,
  args = slice.apply(arguments, [1]);

  return function() {
    return method.apply(that, args.concat( slice.apply(arguments, [0])) );
  };
});

var x = function() {
  return this.value;
}.bind({value: 666});

alert( x() ); // 666