这个JS是 什么意思

Question

<SCRIPT type=text/javascript> 
var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://"); 
document.write(unescape("%3Cscript src='" + _bdhmProtocol + "hm.baidu.com/h.js%3F18f160d37df1bbeb7a06e967deb4a0a8' type='text/javascript'%3E%3C/script%3E")); 
</SCRIPT>这个

Answer 1

就是如果是http就加在http://hm.baidu.com/h.js%3F18f160d37df1bbeb7a06e967deb4a0a8
如果是https的话就加在https://hm.baidu.com/h.js%3F18f160d37df1bbeb7a06e967deb4a0a8