錯在哪，結果沒變化
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? <div><b id="oldnode">JavaScript</b>是一個很常用的技術，為網頁添加動態(tài)效果。</div>
? <a href="javascript:replaceMessage()"> 將加粗改為斜體</a>
?
??? <script type="text/javascript">
????? function replaceMessage(){
??????? var oldnode=document.getElementById("oldnode");
??????? var newnode=document.creatElement("i");
??????? newnode.innerHTML=oldnode.innerHTML;
??????? oldnode.parentNode.replaceChild(newnode,oldnode);
????
?????? }???
? </script>
?
?</body>
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2017-03-13
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