<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="jQuery/版本号自己选"></script>
<script type="text/javascript">
$(function(){
$(‘input[type="button"]‘).click(function(){
var i = 0;
$(‘input[type="text"]‘).each(function(){
i += parseInt($(this).val());
});
$("label").text(i);
});
$(‘input:lt(2)‘)
.add("label")
.css({
‘border‘:‘none‘,
‘textAlign‘:‘center‘,
‘borderBottom‘:‘solid 1px navy‘,
‘width‘:‘30px‘
});
});
</script>
<title>上机练习</title>
</head>
<body>
<input type="text" value="" />+
<input type="text" value="" />
<input type="button" value="=" />
<label></label>
</body>
</html>
时间： 2024-12-20 09:15:19