script to delete qzone feed

delMyQzoneFeed.js

var iframe = document.getElementsByTagName('iframe')[0].contentDocument;

var dels = iframe.getElementsByClassName('del');
var len = dels.length;
for (var i = 0; i < len; i++) {
	var el = dels[0];
	el.click();
	setTimeout(function () {
		document.getElementsByClassName('qz_dialog_layer_sub')[0].click();
	}, 500);
}