// ==UserScript==// @name        jsKillAD// @namespace   jsKillAD// @include     http://*// @include     https://*// @grant       none// @version     1// ==/UserScript==(function () {	var bc = Array.prototype.forEach;//Callback	function getStyle(o, s) {		if(o.style[s])//内联样式			return o.style[s];		else if(document.defaultView && document.defaultView.getComputedStyle){//DOM			//s = s.replace(/([A-Z])/g,'-$1').toLowerCase();			var x = document.defaultView.getComputedStyle(o,'');			return x.getPropertyValue(s);		}	}	function testStyle(o) {		var s = getStyle(o, "position");		return s === "fixed" || s === "absolute";	}/*	function sameDomain(o) {		try {			return o.document.body;		} catch (e) {			return  0;		}	}*/	function isFloatLay(o) {		var x = o.offsetParent;		return !x || x.tagName === "BODY" || x.tagName === "HTML";	}	function delNode(x) {		x.parentNode.removeChild(x);	}	function scan(el) {		["iframe", "img", "object", "embed", "video"].forEach(function(s) {			bc.call(el.getElementsByTagName(s), function(x) {				while (x) {					if (isFloatLay(x)) {						//要删除的层得同时满足二个条件						if (testStyle(x)) delNode(x);						break;					}					x = x.offsetParent;				}			});		});	}	/*	//扫描广告脚本	bc.call(document.getElementsByTagName("script"), function(o) {		if (o.src && o.readyState !== "complete") delNode(o);	});	//没用哦,因为DIV中可能已经生成了元素	bc.call(document.querySelectorAll ? document.querySelectorAll("div>script") : document.getElementsByTagName("script"), function(x) {		x = x.parentNode;		if (x.childNodes.length === 1) delNode(x);	});	*/	document.addEventListener("DOMContentLoaded", function(){scan(document);}, false);	bc.call(frames, function(x) {		try {			scan(x.contentDocument);		} catch (e) {}	});})();