afterTextChanged in html and javascript

afterTextChanged.js

	
	// Use ( onkeyup="afterTextChanged(this);" ) in your input element
	// This function works after user typing . You can change sensivity in line 17

	oldKey = 0,differenceInKeyTime = 0,newKey = 0,interval = 0;
	function afterTextChanged (element){
		if(element.value.length == 0)
			return 0;
		oldKey = new Date();
		clearInterval(interval);
		startTiming();
	}
	function startTiming(){
		interval = setInterval(function() {
			newKey   = new Date();
			differenceInKeyTime = (newKey.getTime() - oldKey.getTime()) / 1000;
			if(differenceInKeyTime>0.9)
			{
				clearInterval(interval);
				// Do your action here . For example send ajax request .
			}
		},10);
	}