jQuery 子级 href 单击不起作用

发布于 2024-12-05 01:43:42 字数 2396 浏览 1 评论 0原文

我有这样的代码：

<html>
<head>
<title>site</title>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
    $('#wlink a').click(function() {
        $('.box:visible').fadeOut('fast', function() {
            $('#' + (this.id).replace('link', '')).fadeIn('fast');
        });
        $('#wlink a').removeClass('selected');
        $(this).addClass('selected');
    });
    $('#wlink div').click(function() {
        var child = $(this).children();
        child.click();
    });
    $('#linkbox1').addClass('selected');
    $('#box1').fadeIn('fast');
});
</script>
</head>

<style>
a { outline: none; cursor: pointer; }
#wrapper { border:1px solid #cccccc; border:solid 1px #ddd; width:806px; height:255px; overflow: hidden; }
#wrapperBox { width:6000px; }
span.text { font-size:100px; color:#aaa; }
div.box { float:left; width:805px; height:255px; background:#efefef; display: none; }
#wlink div { width: 200px; text-align:center; display: block; float:left; border: solid 1px #ddd; }
a.selected { background: #eee; }
</style>

<body>
<div id="wrapper">
    <div id="wrapperBox">
        <div id="box1" class="box">
            <span class="text">Box 1</span>
        </div>
        <div id="box2" class="box">
            <span class="text">Box 2</span>
        </div>
        <div id="box3" class="box">
            <span class="text">Box 3</span>
        </div>
        <div id="box4" class="box">
            <span class="text">Box 4</span>
        </div>
    </div>
</div>
<div id="wlink">
    <div><a id="linkbox1">Box 1</a></div>
    <div><a id="linkbox2">Box 2</a></div>
    <div><a id="linkbox3">Box 3</a></div>
    <div><a id="linkbox4">Box 4</a></div>
</div>
</body>
</html>

现在我想做的是当单击 A HREF 的父 DIV 时，我想模拟 HREF 单击。但它不起作用，我收到此错误：

too much recursion
[Break On This Error] )});return}if(e.nodeType===3||e.nodeTy...nt=="undefined"&&(b=b.ownerDocument||

我的代码出了什么问题？

谢谢，J

原文

I have this code:

<html>
<head>
<title>site</title>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
    $('#wlink a').click(function() {
        $('.box:visible').fadeOut('fast', function() {
            $('#' + (this.id).replace('link', '')).fadeIn('fast');
        });
        $('#wlink a').removeClass('selected');
        $(this).addClass('selected');
    });
    $('#wlink div').click(function() {
        var child = $(this).children();
        child.click();
    });
    $('#linkbox1').addClass('selected');
    $('#box1').fadeIn('fast');
});
</script>
</head>

<style>
a { outline: none; cursor: pointer; }
#wrapper { border:1px solid #cccccc; border:solid 1px #ddd; width:806px; height:255px; overflow: hidden; }
#wrapperBox { width:6000px; }
span.text { font-size:100px; color:#aaa; }
div.box { float:left; width:805px; height:255px; background:#efefef; display: none; }
#wlink div { width: 200px; text-align:center; display: block; float:left; border: solid 1px #ddd; }
a.selected { background: #eee; }
</style>

<body>
<div id="wrapper">
    <div id="wrapperBox">
        <div id="box1" class="box">
            <span class="text">Box 1</span>
        </div>
        <div id="box2" class="box">
            <span class="text">Box 2</span>
        </div>
        <div id="box3" class="box">
            <span class="text">Box 3</span>
        </div>
        <div id="box4" class="box">
            <span class="text">Box 4</span>
        </div>
    </div>
</div>
<div id="wlink">
    <div><a id="linkbox1">Box 1</a></div>
    <div><a id="linkbox2">Box 2</a></div>
    <div><a id="linkbox3">Box 3</a></div>
    <div><a id="linkbox4">Box 4</a></div>
</div>
</body>
</html>

Now what I want to do is when the parent DIV of the A HREF is clicked, I want to simulate an HREF click. But it does not work, and I get this error:

too much recursion
[Break On This Error] )});return}if(e.nodeType===3||e.nodeTy...nt=="undefined"&&(b=b.ownerDocument||

What is wrong with my code?

Thanks, J

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爱她像谁 2024-12-12 01:43:42

sillyMunky 是正确的，因为您的 div 单击处理程序也将被触发，从而创建无限循环，但他解决此问题的方法不是最佳实践。您想要做的是在点击处理程序中使用 e.stopPropagation() 显式停止事件传播，并且不返回 false。使用 return false 的作用会超出您的需要/意图。如果你还想阻止默认的点击操作并停止页面跳转，你还需要添加e.preventDefault()。

$('#wlink a').click(function(e) {
    e.stopPropagation();
    e.preventDefault(); //not part of fixing your issue, but you may want it.
    $('.box:visible').fadeOut('fast', function() {
        $('#' + (this.id).replace('link', '')).fadeIn('fast');
    });
    $('#wlink a').removeClass('selected');
    $(this).addClass('selected');
});

有关详细信息：停止（错误）使用 Return False

sillyMunky is correct in that your div click handler will also be fired, creating an infinite loop, but his approach to solving this issue is not best practice. What you want to do is explicitly stop event propagation with e.stopPropagation() in your click handler and not return false. Using return false will do more than you need/intend. If you also want to prevent the default click action and stop the page jump, you'll also want to add e.preventDefault().

$('#wlink a').click(function(e) {
    e.stopPropagation();
    e.preventDefault(); //not part of fixing your issue, but you may want it.
    $('.box:visible').fadeOut('fast', function() {
        $('#' + (this.id).replace('link', '')).fadeIn('fast');
    });
    $('#wlink a').removeClass('selected');
    $(this).addClass('selected');
});

For more info: Stop (Mis)using Return False

回复收藏 0 原文

无戏配角 2024-12-12 01:43:42

如果您不想更改代码，@Adam Terlson 有一个很好的解决方案。这是我的解决方案：

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>site</title>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#wlink a').click(function() {
    var l = (this.id).replace('link', '');
    $('.box:visible').fadeOut('fast', function() {
        $('#' + l).fadeIn('fast');
    });
    $('#wlink a').removeClass('selected');
    $(this).addClass('selected');
});
$('#linkbox1').addClass('selected');
$('#box1').fadeIn('fast');
});
</script>

</head>

<style>
a { outline: none; }
#wrapper { border:1px solid #cccccc; border:solid 1px #ddd; width:806px; height:255px; overflow: hidden; }
#wrapperBox { width:6000px; }
span.text { font-size:100px; color:#aaa; }
div.box { float:left; width:805px; height:255px; background:#efefef; display: none; }
a.linkBox { cursor: pointer; width: 200px; text-align:center; display: block; float:left; border: solid 1px #ddd; }
a.selected { background: #eee; }
</style>

<body>

<div id="wrapper">
   <div id="wrapperBox">
       <div id="box1" class="box">
           <span class="text">Box 1</span>
       </div>
       <div id="box2" class="box">
           <span class="text">Box 2</span>
       </div>
       <div id="box3" class="box">
           <span class="text">Box 3</span>
       </div>
       <div id="box4" class="box">
           <span class="text">Box 4</span>
       </div>
   </div>
</div>
<div id="wlink">
   <a class="linkBox" id="linkbox1">Box 1</a>
   <a class="linkBox" id="linkbox2">Box 2</a>
   <a class="linkBox" id="linkbox3">Box 3</a>
   <a class="linkBox" id="linkbox4">Box 4</a>
</div>

</body>
</html>

它不会调用任何先前的答案，而是使用不带 DIV 的 HREF 并使用 CSS 来实现魔法。这样，你就不必选择孩子、父母等......

@Adam Terlson has a good solution if you don't want to change your code. Here's my solution:

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>site</title>

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$('#wlink a').click(function() {
    var l = (this.id).replace('link', '');
    $('.box:visible').fadeOut('fast', function() {
        $('#' + l).fadeIn('fast');
    });
    $('#wlink a').removeClass('selected');
    $(this).addClass('selected');
});
$('#linkbox1').addClass('selected');
$('#box1').fadeIn('fast');
});
</script>

</head>

<style>
a { outline: none; }
#wrapper { border:1px solid #cccccc; border:solid 1px #ddd; width:806px; height:255px; overflow: hidden; }
#wrapperBox { width:6000px; }
span.text { font-size:100px; color:#aaa; }
div.box { float:left; width:805px; height:255px; background:#efefef; display: none; }
a.linkBox { cursor: pointer; width: 200px; text-align:center; display: block; float:left; border: solid 1px #ddd; }
a.selected { background: #eee; }
</style>

<body>

<div id="wrapper">
   <div id="wrapperBox">
       <div id="box1" class="box">
           <span class="text">Box 1</span>
       </div>
       <div id="box2" class="box">
           <span class="text">Box 2</span>
       </div>
       <div id="box3" class="box">
           <span class="text">Box 3</span>
       </div>
       <div id="box4" class="box">
           <span class="text">Box 4</span>
       </div>
   </div>
</div>
<div id="wlink">
   <a class="linkBox" id="linkbox1">Box 1</a>
   <a class="linkBox" id="linkbox2">Box 2</a>
   <a class="linkBox" id="linkbox3">Box 3</a>
   <a class="linkBox" id="linkbox4">Box 4</a>
</div>

</body>
</html>

It does not invoked any of the previous answered but rather use HREF without DIVs and use CSS to do the magic. This way, you don't have to select childrens, parents etc...

回复收藏 0 原文

没有伤那来痛 2024-12-12 01:43:42

将 return false; 添加到锚点点击处理程序的末尾就足够了。问题似乎是被触发的点击处理程序然后冒泡到包含它的 div，从而形成无限递归循环。添加 return false 将阻止事件传播（向上到达父元素的层次结构）和执行默认操作（如果单击链接，则跟随链接）。

如果您愿意，您可以使用事件对象的各个函数（分别是 e.stopPropagation 和 e.preventDefault）来执行此操作，但是（根据我的经验）您更有可能在目标浏览器中遇到问题，而不是同时执行这两个操作使用 return false; 技术。

 $('#wlink a').click(function() {
    $('.box:visible').fadeOut('fast', function() {
        $('#' + (this.id).replace('link', '')).fadeIn('fast');
    });
    $('#wlink a').removeClass('selected');
    $(this).addClass('selected');
    return false;
 })

It is enough to add return false; to the end of the anchor's click handler. The problem seems to be that the click handler being fired is then bubbling up to the div which contains it making an infinite recursive loop. Adding the return false will prevent both the event propagating (reaching up the hierarchy to parent elements) and the default action being performed (following the link if it was clicked).

You could do this using the individual functions of the event object (e.stopPropagation and e.preventDefault respectively) if you prefer, however you are more likely (in my experience) to have problems in your target browsers doing this than doing both at once with the return false; technique.

 $('#wlink a').click(function() {
    $('.box:visible').fadeOut('fast', function() {
        $('#' + (this.id).replace('link', '')).fadeIn('fast');
    });
    $('#wlink a').removeClass('selected');
    $(this).addClass('selected');
    return false;
 })

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