Chrome插件屏蔽网页关键字、去浮动广告

最新推荐文章于 2025-05-19 17:42:32 发布

zhangzikui

最新推荐文章于 2025-05-19 17:42:32 发布

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分类专栏： JavaScript

本文链接：https://blog.youkuaiyun.com/zhangzikui/article/details/95208565

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本文介绍了一款名为My Cleanner的Chrome插件，通过manifest.json配置文件和cleaner.js脚本实现对网页内容的过滤，能够屏蔽关键字和浮动广告。manifest.json中定义了插件的基本信息及注入的JavaScript文件，而cleaner.js和jiayuan.js则是具体的广告清除和关键字过滤逻辑。

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manifest.json

{
"manifest_version": 2,
"name": "My Cleanner",
"version": "1.0",
"description": "Cleanner",
"content_scripts": [
{
"matches": ["*://*/*"],
"js": ["javaScript/cleaner.js"]
},
{
"matches": ["http://www.jiayuan.com/msg/*"],
"js": ["javaScript/jiayuan.js"]
}
]
}

cleaner.js

var keyWords = ["关键字1", "关键字2", "关键字3"];
var replaceString = "--------";
while(document.readyState === "interactive" || document.readyState === "complete")
{
	var aTags = document.getElementsByTagName("a");
	for(var i = 0; i < aTags.length; i++)
	{
		for(var j = 0; j < keyWords.length; j++)
		{
			if(aTags[i].innerText.indexOf(keyWords[j]) > -1)
			{
					aTags[i].innerText = replaceString;
					break;
			}
		}
	}
	
	/*var divTags = document.getElementsByTagName("div");
	for(var k = 0; k < divTags.length; k++)
	{
		var divStyle = window.getComputedStyle(divTags[k], null);
		if(divStyle["z-index"] > 1 || divStyle["position"] === "absolute")
		{
				divTags[k].parentNode.removeChild(divTags[k]);
		}
	}*/
	
	/*
	var frames = document.getElementsByTagName("iframe");
	for(var m = 0; m < frames.length; m++)
	{
		frames[m].parentNode.removeChild(frames[m]);
	}*/
	
	break;
}

jiayuan.js

var myMsg = "，认识一下好吗";
var aTags = document.getElementsByTagName("a");
for(var i = 0; i < aTags.length; i++)
{
	var reg = /http:\/\/www\.jiayuan\.com\/\/\d+\?fxly=/;
	if(reg.test(aTags[i].href))
	{
		if(aTags[i].title == "会员")
		{
			document.getElementById("f_content").value = "你好" + myMsg;
		}
		else
		{
			document.getElementById("f_content").value = aTags[i].title + myMsg;
		}
		
		var tips = document.getElementById("custom_layer");
		tips.parentNode.removeChild(tips);
		document.getElementById("anniu_2").click();
		break;
	}
}