bind

description

returns a new function that does the same as the first, but is bound to the passed execution context

usage

(function () {// an object with a 'name' property
var person1 = {
	name: 'Robert'
};

// another object with a 'name' property
var person2 = {
	name: 'Roy'
};

// a function that returns the name of the object it belongs to. 
// only it doesnt belong to an object!
var get_name = function () {
	return this.name;
};

// with bind, a function acts like its on an object, even tho its not
var get_person1s_name = get_name[o.bind](person1),
get_person2s_name = get_name[o.bind](person2);

get_person1s_name(); // returns 'Robert'
get_person2s_name(); // returns 'Roy'


})();