<!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" />
<title>09-表单选择器.html</title>
<!-- 引入jQuery -->
<script src="../js/jquery-1.11.0.min.js"></script>
<script src="../js/assist.js"></script>
<link rel="stylesheet" type="text/css" href="../css/style.css" />
<script type="text/javascript">
$(function() {
$("#btn1").click(function() {
alert($(":input").length);
})
});
</script>
</head>
<body>
<input type="button" value="选取所有的表单子元素" id="btn1" /><br />
<form id="form1" action="#">
<input type="button" value="Button" /><br/>
<input type="checkbox" name="c" />1<input type="checkbox" name="c" />2<input type="checkbox" name="c" />3<br/>
<input type="file" /><br/>
<input type="hidden" /><br/>
<input type="image" src="1.jpg" /><br/>
<input type="password" /><br/>
<input type="radio" name="a" />1<input type="radio" name="a" />2<br/>
<input type="reset" /><br/>
<input type="submit" value="提交" /><br/>
<input type="text" /><br/>
<select>
<option>Option</option>
</select><br/>
<textarea rows="5" cols="20"></textarea><br/>
<button>Button</button><br/>
</form>
<div></div>
</body>
</html>
