检查了好几遍都没检查出问题
var newnode = document.createElement("li");
newnode.innerHTML = "PHP";
otest.insertBefore(newnode.otest.childNodes[1]);
var newnode = document.createElement("li");
newnode.innerHTML = "PHP";
otest.insertBefore(newnode.otest.childNodes[1]);
2018-07-02
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