
这一段代码如何理解 <script language="javascript"> <!-- if(self!=top){top.location=self.location;} f
<scriptlanguage="javascript"><!--if(self!=top){top.location=self.location;}functionst...
<script language="javascript">
<!--
if(self!=top){top.location=self.location;}
function stat(){
var a = pageYOffset+window.innerHeight-document.bar.document.height-15
document.bar.top = a
setTimeout('stat()',2)
}
function fix(){
nome=navigator.appName
if(nome=='Netscape'){
var a=document.body.scrollTop+document.body.clientHeight-document.all.bar.offsetHeight+15
bar.style.top = a
}
else{
var a=document.body.scrollTop+document.body.clientHeight-document.all.bar.offsetHeight+15
bar.style.top = a
}}
//-->
</script> 展开
<!--
if(self!=top){top.location=self.location;}
function stat(){
var a = pageYOffset+window.innerHeight-document.bar.document.height-15
document.bar.top = a
setTimeout('stat()',2)
}
function fix(){
nome=navigator.appName
if(nome=='Netscape'){
var a=document.body.scrollTop+document.body.clientHeight-document.all.bar.offsetHeight+15
bar.style.top = a
}
else{
var a=document.body.scrollTop+document.body.clientHeight-document.all.bar.offsetHeight+15
bar.style.top = a
}}
//-->
</script> 展开
2个回答
展开全部
防止网页被别人嵌套,一般的经过安全扫描的,如果没有这句话会被认为一个低级的漏洞;
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