Javascript debounce

debounce.js

Function.prototype.debounce = function(delay) {
	var timeout, callback = this;
	return function() {
		clearTimeout(timeout);
		timeout = setTimeout(callback, delay);
	}
}

usage.js

window.addEventListener('resize',test.debounce(200));

// OR

$(function(){
	$(window).resize(test.debounce(200));
});