abstract：<!DOCTYPE html><html><head><meta charset="utf-8"> <title>jQuery选择器</title> <script type="text/javascript"src="jquery-3.3.1.min.js"&
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>jQuery选择器</title>
<script type="text/javascript"src="jquery-3.3.1.min.js"></script>
<style type="text/css">
div{width: 100px;height: 100px; background: #ccc;margin-top: 20px;}
</style>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
// $(':enabled').css('background','pink')
// $(':disabled').css('background','red')
// $(':selected').css('color','blue')
$(':checked').parent().css('color','red')
})
</script>
<form>
输入框1<input type="text" name=""><br>
输入框2<input type="text" name=""><br>
输入框3<input type="text" name="" disabled><br>
输入框4<input type="text" name=""><br>
<select>
<option>摩羯座</option>
<option selected>双鱼座</option>
<option>射手座</option>
<option>天蝎座</option>
</select>
<br>
爱好：
<label><input type="checkbox" name="">泡妞</label>
<label><input type="checkbox" name="" checked>喝酒</label>
<label><input type="checkbox" name="">赚钱</label>
</form>
</body>
</html>
Correcting teacher：灭绝师太Correction time：2018-11-12 19:07:26
Teacher's summary：选择器这一块好要好好掌握哦……后面非常重要