bind test

bind-test.js

// Begin with:
delete Function.prototype.bind;

function bind(/* ... */){
  /* ... */
}

// Ends with:
Function.prototype.bind = bind;

// Tests:
var a = {};
var b = {};
var f = function(){ return {context: this, args: arguments}; };
d = f.bind(a);
e = f.bind(b, 1, 2, 3);

console.log('Tests result: ', d().context === a && e().context === b && e('test').args[3] === 'test' && d.call(b).context === a);