<!DOCTYPE HTML><html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><title>無標題文檔</title></head><body><ul id="test">? <li id="bb">JavaScript</li>? <li>HTML</li></ul>??<script type="text/javascript">? var otest = document.getElementById("test"); ?? var newcode = document.createElement("li");? newcode.innerHTML = "PHPp";? otest.appendChild(newcode);??</script>?<script type="text/javascript">var a=document.getElementById("bb")[0];document.write(a.innerHTML);</script>?</body></html>
為何我打印不出元素內(nèi)容
哎_呦_喂___
2016-10-10 10:04:17
