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可以用来搜索当前页面内容的js代码

<html> 
<head> 
<title>搜索页面内容</title> 
</head> 
<img src="/_New/_cj/myeditor/sysimage/space.gif" class="ewebeditor__script" _ewebeditor_fake_tag="script" _ewebeditor_fake_value="%3Cscript%20language%3D%22JavaScript%22%3E%20%0D%0Avar%20NS4%20%3D%20(document.layers)%3B%20%0D%0Avar%20IE4%20%3D%20(document.all)%3B%20%0D%0A%2F%2F%20window%20to%20search.%20%0D%0Avar%20win%20%3D%20window%3B%20%0D%0Avar%20n%20%3D%200%3B%20%0D%0Afunction%20findInPage(str)%20%7B%20%0D%0Avar%20txt%2C%20i%2C%20found%3B%20%0D%0Aif%20(str%20%3D%3D%20%22%22)%20%0D%0Areturn%20false%3B%20%0D%0Aif%20(NS4)%20%7B%20%0D%0Aif%20(!win.find(str))%20%0D%0Awhile(win.find(str%2C%20false%2C%20true))%20%0D%0An%2B%2B%3B%20%0D%0Aelse%20%0D%0An%2B%2B%3B%20%0D%0Aif%20(n%20%3D%3D%200)%20%0D%0Aalert(%22%E5%AF%B9%E4%B8%8D%E8%B5%B7%EF%BC%81%E6%B2%A1%E6%9C%89%E4%BD%A0%E8%A6%81%E6%89%BE%E7%9A%84%E5%86%85%E5%AE%B9%E3%80%82%22)%3B%20%0D%0A%7D%20%0D%0Aif%20(IE4)%20%7B%20%0D%0Atxt%20%3D%20win.document.body.createTextRange()%3B%20%0D%0Afor%20(i%20%3D%200%3B%20i%20%3C%3D%20n%20%26%26%20(found%20%3D%20txt.findText(str))%20!%3D%20false%3B%20i%2B%2B)%20%7B%20%0D%0Atxt.moveStart(%22character%22%2C%201)%3B%20%0D%0Atxt.moveEnd(%22textedit%22)%3B%20%0D%0A%7D%20%0D%0Aif%20(found)%20%7B%20%0D%0Atxt.moveStart(%22character%22%2C%20-1)%3B%20%0D%0Atxt.findText(str)%3B%20%0D%0Atxt.select()%3B%20%0D%0Atxt.scrollIntoView()%3B%20%0D%0An%2B%2B%3B%20%0D%0A%7D%20%0D%0Aelse%20%7B%20%0D%0Aif%20(n%20%3E%200)%20%7B%20%0D%0An%20%3D%200%3B%20%0D%0AfindInPage(str)%3B%20%0D%0A%7D%20%0D%0Aelse%20%0D%0Aalert(%22%E5%AF%B9%E4%B8%8D%E8%B5%B7%EF%BC%81%E6%B2%A1%E6%9C%89%E4%BD%A0%E8%A6%81%E6%89%BE%E7%9A%84%E5%86%85%E5%AE%B9%E3%80%82%22)%3B%20%0D%0A%7D%20%0D%0A%7D%20%0D%0Areturn%20false%3B%20%0D%0A%7D%20%0D%0A%3C%2Fscript%3E"> 
<form name="search" onSubmit="return findInPage(this.string.value);"> 
<input name="string" type="text" size=20 onChange="n = 0;"> 
<input type="submit" value="==>>搜"> 
</form> 
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<body> 
</body> 
</html>

　　 [Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

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