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<head>
<title>无刷新评论</title>
<script type="text/javascript">
function AddComment(){
var nickname = document.getElementByIdx_x("nickname").value;
var comment = document.getElementByIdx_x("comment").value;
var tableComment = document.getElementByIdx_x("tableComment");
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tdComment.innerText = comment;
tr.appendChild(tdComment);
tableComment.tBodies[0].appendChild(tr);
}
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<body bgcolor="#662677">
无刷新评论无刷新评论无刷新评论
<h3>评论区</h3>
<table id="tableComment">
<tbody>
<tr><td>小猪:</td><td>沙发哦!!!</td></tr>
</tbody>
</table>
<br/>
昵称:<input type="text" id="nickname" /><br />
<textarea id="comment"></textarea><br />
<input type="button" value="评论" onclick="AddComment()" />
</body>
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