查杀页面浮动广告
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// ==UserScript==
// @name jsKillAD
// @namespace jsKillAD
// @description 查杀页面浮动广告
// @description:en Kill AD on page
// @include http://*
// @include https://*
// @exclude http://*.mail.*/*
// @exclude http://*mimg.127.net/*
// @exclude http://*.csdn.net/postedit/*
// @exclude http://*share*.qq.com/*
// @exclude http://*.gsmn.com.cn/*
// @exclude http://*115.com/*
// @run-at document-end
// @grant none
// @version 1.1
// ==/UserScript==
(function () {
var bc = Array.prototype.forEach;//Callback
function getStyle(o, s) {
if(o.style[s]){//内联样式
return o.style[s];
}
if(document.defaultView && document.defaultView.getComputedStyle){//DOM
//s = s.replace(/([A-Z])/g,'-$1').toLowerCase();
var x = document.defaultView.getComputedStyle(o,'');
return x&&x.getPropertyValue(s);
}
}
function testStyle(o) {
var s = getStyle(o, "position");
return s === "fixed" || s === "absolute";
}
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"].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;
}//else
x = x.offsetParent;
}
});
});
}
//document.addEventListener("DOMContentLoaded", function(){scan(document);}, false);
scan(document);
bc.call(frames, function(x) {
try {
scan(x.contentDocument);
} catch (e) {}
});
})();