<body><table id="tab"> <tr><td>0</td></tr> <tr id="x"><td>1 在此行下插入新行</td></tr> <tr><td>2</td></tr></table><br><input type="button" onclick="javascript:instTR()" value="插入行"><script type="text/javascript">function instTR(){ var tab=document.getElementById(‘tab‘); var n=document.getElementById(‘x‘).rowIndex+1; var tr=tab.insertRow(n); var td=tr.insertCell(0); td.innerHTML=‘new ‘+Math.random();}</script></body>
<html>
<head>
<script>
function changeLink()
{
document.getElementById(‘myAnchor‘).innerHTML="W3Cschool";
document.getElementById(‘myAnchor‘).href="http://www.w3cschool.cc";
document.getElementById(‘myAnchor‘).target="_blank";
}
</script>
</head>
<body>
<a id="myAnchor" href="http://www.microsoft.com">Microsoft</a>
<input type="button" onclick="changeLink()" value="Change link">
</body>
</html>
时间： 2024-12-13 04:01:40