abstrait：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title> jQuery選擇器-層級選擇器</title> <script type="text/javascript"src='jquery-3.3.1.js'
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title> jQuery選擇器-層級選擇器</title>
<script type="text/javascript"src='jquery-3.3.1.js'></script>
</head>
<body>
<script type="text/javascript">
$(document).ready(function(){
$('ul>li').css('list-style','none')
$('ul li').css('list-style','none')
$('label+input').css('height','50px')
$(':checked').parent().css('color','red')
})
</script>
<ul>
<li>1</li>
<li>1</li>
<div>
<li>2</li>
</div>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
<li>1</li>
</ul>
<form>
<label>姓名</label>
<input type="" name="">
<button>確認(rèn)</button>
</form>
<br>
<br>
愛好：
<label><input type="checkbox" name="">看書</label>
<label><input type="checkbox" name="">畫畫</label>
<label><input type="checkbox" name="">游戲</label>
</form>
</body>
</html>
Professeur correcteur：韋小寶Temps de correction：2018-12-10 11:33:10
Résumé du professeur：寫的還算可以！課后記得要多多練習(xí)才可以哦！繼續(xù)加油吧！