相关疑难解决方法(0)

任何人都可以用JavaScript解释事件委托,它有什么用？

我使用了如何将href定位到div 以将href定位到div所示的方法.有效.但我需要增加另一个级别.

HTML

<ul >
    <li class="active"><a href="#m1">home</a></li>
    <li><a href="#m2">settings</a></li>
</ul>

<div class="target">
    <div id="m1">
        <ul >
            <li class="active"><a href="#subm1-1" title="Home1">Item1</a></li>
            <li><a href="#subm1-2">Item 2</a></li>
        </ul>
    </div>

    <div id="m2">
        <ul>
            <li class="active"><a href="#subm2-1" title="Home1">Item1</a></li>
            <li><a href="#subm2-2">Item 2</a></li>
        </ul>
    </div>
</div>

<div class="target123">
    <div id="subm1-1">
        content1
    </div>
    <div id="subm1-2">
        content2
    </div>
    <div id="subm2-1">
        content3
    </div>
    <div id="subm2-2">
        content4
    </div>
</div>

CSS

.target > div {
    display:none;
}

.target > div:target{
    display:block;
}


.target123 > div {
    display:none;
}

.target123 > div:target{ …