<
html
>
<
head
>
<
script
>
function
?clear(){
Source
=
document.body.firstChild.data;
document.open();
document.close();
document.title
=
"
看不到源代碼
"
;
document.body.innerHTML
=
Source;
}
</
script
>
</
head
>
<
body?onload
=
clear()
>
<
marquee
>
看得到源代碼嗎？
</
marquee
>
</
body
>
</
html
>
破解：javascript:alert(document.getElementsByTagName("HTML")[0].outerHTML)