yige.org 试一个

<html>
<head>
<script type="text/javascript">
function showTabIndex()
{
var b1=document.getElementById('b1').tabIndex;
var b2=document.getElementById('b2').tabIndex;
var b3=document.getElementById('b3').tabIndex;

document.write("Tab index of Button 1: " + b1);
document.write("<br />");
document.write("Tab index of Button 2: " + b2);
document.write("<br />");
document.write("Tab index of Button 3: " + b3);
}
</script>
</head>
<body>

<button id="b1" tabIndex="1">Button 1</button><br />
<button id="b2" tabIndex="2">Button 2</button><br />
<button id="b3" tabIndex="3">Button 3</button><br />
<br />
<input type="button" onclick="showTabIndex()" value="Show tabIndex" />

</body>
</html>

结果:

编辑上面的代码，点击查看结果。

yige.org - 试一个