字符串转为16进制编码

参考链接描述

把以下代码另存为html，然后打开，复制你的代码进去解码

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<textarea id="code" cols="80" rows="20"></textarea>
<input type="button" onclick="decode()" value="解码">

decodeURI(xxx) 括号里面放字符串

给你一个网站，代码复制进去点解密会提示是否解码，点确定即可。tool.lu/js/

unescape("\x61\x6c\x65\x72\x74\u64cd".replace(/[\x\u]/g,'%'))
"alert操"