websiteMonitor.js

(function(){
	const beep=function(){
			let beepElement = document.getElementById("beepElement");
			if(!beepElement){
				beepElement = document.createElement("audio");
				beepElement.id = "beepElement";
				beepElement.autoplay=false;
				beepElement.src="https://images.wikia.com/monchbox/images/0/01/Beep-sound.ogg";
				document.head.appendChild(beepElement);
			}
		    beepElement.play();
	};


		    var iframe = document.createElement("iframe");
		    var check = function () {
		        check.new = iframe.contentWindow.window.document.body.innerHTML.toString();
		        check.new = check.new.replace(/\<span id\=\"paristz\" class\=\"bold\"\>.*?\<\/span\>/gim, "cats");
		        if (check.old == undefined) {
		            check.old = check.new;
		            iframe.contentWindow.window.location.reload();
		            return;
		        };
		        if (check.old != check.new) {
		            //my job here is done!
		            setInterval(beep, 200);
		            return;
		        };
		        check.old = check.new;
		        iframe.contentWindow.window.location.reload();
		        return;
		    };
		    var src = window.location.toString();
		    document.body.appendChild(iframe);
		    iframe.addEventListener("load", check);
		    iframe.addEventListener("error", check);
		    iframe.addEventListener("error", beep);

		    iframe.src = src;
		    //iframe.contentWindow.window.location.reload()	
		})();