為什么將oldnode.parentNode替換成parentnode(parentnode = oldnode.parentNode)不能執(zhí)行
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? <div><b id="oldnode">JavaScript</b>是一個很常用的技術(shù)，為網(wǎng)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.createElement("i");
?????????? newnode.innerHTML="javascript";
????????? new parentnode = oldnode.parentNode;
????????? parentnode.replaceChild(newnode,oldnode);
??????? //?? newnode.innerHTML=oldHTML;
??????? //? oldnode.parentNode.replaceChild(newnode, oldnode);
????? } ?
? </script>
?
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2015-06-10
new parentnode = oldnode.parentNode; 錯誤在這句！
2015-06-05
parentnode(parentnode =oldnode.parentNode)你解釋一下這句話的意思？你就明白了