<html>
<head>
<script type="text/javascript" src="/jquery/jquery.js"></script>
<script type="text/javascript"> $(function(){
$("#button1").click(function() {
$("#firstName").focus().select();
});
$("#button2").click(function() {
$("#checkbox1").focus().select();
});
$("#button3").click(function() {
$("#radio1").focus().select();
}); $("#button4").click(function() {
var scroll_offset = $("#pos").offset();
$("body,html").animate({scrollTop:scroll_offset.top},0);
});
});
</script>
</head>
<body>
<input type="text" name="FirstName" id="firstName" value="Hello World" />
<input type="checkbox" id="checkbox1"/><label for="checkbox1">CheckBox</label>
<input type="radio" id="radio1"/><label for="radio1">radio</label>
<input type="button" id="button1" value="选中text"/>
<input type="button" id="button2" value="选中checkbox"/>
<input type="button" id="button3" value="选中radio"/>
<input type="button" id="button4" value="定位"/> <div>
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</div>
<span id="pos">
定位
</span>
<div>
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qwetraweftqwe tqwerwq
</div>
</body>
</html>