[ jquery 过滤器 .not(expr|obj|ele|fn) ] 筛选出与指定表达式不匹配的元素

筛选出与指定表达式不匹配的元素:

实例:

<html lang='zh-cn'>
<head>
<title>Insert you title</title>
<meta http-equiv='description' content='this is my page'>
<meta http-equiv='keywords' content='keyword1,keyword2,keyword3'>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type='text/javascript' src='./js/jquery-1.12.1.min.js'></script>
<style type="text/css">
    *{margin:0;padding:0;}
    html{font:400 15px/1.2em 'Courier New';color:#666;width:750px;margin:25px auto;}
    div > p{white-space: pre-wrap;margin:15px 0;}
    div >*{text-indent:8px;}
    .hover{color:#FF96EC;}
</style>
<script type='text/javascript'>
    $(function(){
        $('div').not(function(index){
          return  $('span',this).length == 1;
        }).attr({'style':'color:#000',}) ;
    });
</script>
</head>
<body>
    <div id='demo'>
        <p>This is a p tag text presentation.</p>
        <p>This is a p tag text presentation.</p>
        <p>This is a p tag text presentation.</p>
        <div class='selectorDemoFirst' style='border:1px solid #925CE9;'>
            <p>This is a p tag text presentation.</p>
            <p>This is a p tag text presentation.</p>
        </div>
        <p>This is a p tag text presentation.</p>
        <div class='selectorDemoSecond' style='border:1px solid #999;margin-bottom: 45px;'>
            <span>This is a span tag text presentation</span>
            <p>This is a p tag text presentation.</p>
        </div>
        <div class='selectorDemoSecond' style='border:1px solid #925CE9;'>
            <span>This is a span tag text presentation</span>
            <p>This is a p tag text presentation.</p>
            <span style='padding:8px;'>This is a span tag text presentation</span>
        </div>
        <p>This is a p tag text presentation.</p>
    </div>
</body>
</html>

 

posted @ 2016-06-25 20:42  窗棂  Views(123)  Comments(0Edit  收藏  举报