如下js是什么意思啊？目的是什么

Question

var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?c6b94888ba8f8b5f249b4367e1598f9c";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();

Answer 1

插入百度统计的JS