throttleAndDebounce

gistfile1.js

Function.prototype.throttleAndDebounce = function(threshold, delay){
	threshold = threshold || 100;
	delay = delay || threshold;
	
	var me = this;
	var expire = 0;
	var timeout;
	return function(){
		if(timeout)
			clearTimeout(timeout);
		
		var now = Date.now();
		if(expire < now){
			timeout = null;
			expire = now + threshold;
			me.apply(this, arguments);
		} else {
			var args = arguments;
			timeout = setTimeout(function(){
				timeout = null; 
				
				me.apply(self, args);
			}, delay); 
		}
	};
}

var start = Date.now();
var echo = (function(){
	console.log(Date.now() - start);
}).throttleAndDebounce(1000, 2000);

setTimeout(echo, 0);
setTimeout(echo, 600);
setTimeout(echo, 1200);
setTimeout(echo, 1800);
setTimeout(echo, 2400);
setTimeout(echo, 2800);