jquery父子隶属关系

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1.布局

<body  class="ancestors ">body (曾曾祖父)
    <div style="width:500px;">div(曾祖父)
        <ul>(祖父)
            <li>(直接父)
                <span>span</span>
            </li>
        </ul>
    </div>
</body>


2.样式css

<style>
        .ancestors   *
        {
           display: block;
border: 2px solid lightgrey;
color: lightgrey;
padding: 5px;
margin: 15px;
        }


3.js函数

 <script type="text/javascript">
        $(document).ready(function () {
            $("span").parents("li").css({ "color": "red", "border": "2px solid red" });
            $("span").parents("ul").css({ "color": "yellow", "border": "3px solid yellow" });
            $("span").parents("div").css({ "color": "pink", "border": "4px solid pink" });
            $("span").parents("body").css({"color":"blue","border":"6px solid blue"});
        });
    </script>


4.全部html

<!DOCTYPE html>
<html >
<head>
    <style>
        .ancestors   *
        {
           display: block;
border: 2px solid lightgrey;
color: lightgrey;
padding: 5px;
margin: 15px;
        }
    </style>
    <script src ="Script/jquery-1.7.1.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            $("span").parents("li").css({ "color": "red", "border": "2px solid red" });
            $("span").parents("ul").css({ "color": "yellow", "border": "3px solid yellow" });
            $("span").parents("div").css({ "color": "pink", "border": "4px solid pink" });
            $("span").parents("body").css({"color":"blue","border":"6px solid blue"});
        });
    </script>
    <title>父子关系列表</title>
</head>
<body  class="ancestors ">body (曾曾祖父)
    <div style="width:500px;">div(曾祖父)
        <ul>(祖父)
            <li>(直接父)
                <span>span</span>
            </li>
        </ul>
    </div>
</body>
</html>


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