例子如下<body>??? <h2>子選擇器與后代選擇器</h2>??? <div class="left">??????? <div class="aaron">??????????? <p>div下的第一個(gè)p元素</p>??????? </div>??????? <div class="aaron">??????????? <p>div下的第一個(gè)p元素</p>??????? </div>??? </div>??? <div class="right">??????? <div class="imooc">??????????? <article>??????????????? <p>div下的article下的p元素</p>??????????? </article>??????? </div>??????? <div class="imooc">??????????? <article>??????????????? <p>div下的article下的p元素</p>??????????? </article>??????? </div>??? </div>??? <script type="text/javascript">??????? //子選擇器??????? //$('div > p') 選擇所有div元素里面的子元素P??????? $('div > p').css("border", "1px groove red");??? </script>?
$('div > p')請(qǐng)問(wèn)選擇的是哪一層的DIV？？是遍歷一邊外層DIV沒(méi)有P再遍歷里面的DIV嗎？
北極的大熊
2017-02-06 10:17:32
