Jquery在DIV中获取子DIV [英] Jquery Get Child DIV Within DIV

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本文介绍了Jquery在DIV中获取子DIV的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我在身体内有以下HTML代码:

 < div id =hidden> 

< / div>

< div id =mainContianer>
< div id =firstChildDiv>

< / div>
< / div>

我使用下面的代码来获取子元素

  $(div:first-child)。attr('id')

但是,当我想让它返回firstChildDiv时,它会返回隐藏,我尝试了类似...

 < code $(div [mainContainer] div:first-child)。attr('id')
$(div [id = mainContainer]:first-child)。attr ')
$(#mainContainer:first-child)。attr('id')

我知道它是一件简单的事情,但似乎无法看到我要去的地方出错......

谢谢
<您最后的选择

  $(#mainContainer:first -child)。attr('id')

可以正常工作, HTML(请参阅此小提琴)。它说 mainContianer 而不是 mainContainer



无论如何,如果该元素的 id

为什么不简单地通过 id

  $('#firstChildDiv')


I have the following HTML code within the body:

<div id="hidden">

</div>

<div id="mainContianer">
    <div id="firstChildDiv">

    </div>
</div>

I am using the following code to get the child

$("div:first-child").attr('id') 

But this returns "hidden" when I want it to return firstChildDiv, I have tried things like...

$("div[mainContainer ] div:first-child").attr('id') 
$("div[id=mainContainer ] :first-child").attr('id') 
$("#mainContainer :first-child").attr('id') 

I know its a simple thing to do, but cant seem to see where I am going wrong...

Thanks

解决方案

Your last selector

$("#mainContainer :first-child").attr('id') 

works fine, if you correct the typo in the HTML (see this fiddle). It says mainContianer instead of mainContainer.

But, anyway, why don't you select simply by the id, if that element has an id?

$( '#firstChildDiv' )

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