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每一次上课的频率选择人
原标题:Jquery selector for each first appearance of a class

i 具有产生以下超文本的文字:

<table class="table">
<tr><td class="head">Title</td></tr>
<tr><td class="cat">Featured</td></tr>
<tr><td class="cat">Hello</td></tr>
<tr><td class="cat">Hello</td></tr></table>

<table class="table">
<tr><td class="head">Title</td></tr>
<tr><td class="cat">Featured</td></tr>
<tr><td class="cat">Hello</td></tr>
<tr><td class="cat">Hello</td></tr></table>


<table class="table">
<tr><td class="head">Title</td></tr>
<tr><td class="cat">Featured</td></tr>
<tr><td class="cat">Hello</td></tr>
<tr><td class="cat">Hello</td></tr></table>

我需要打上首批“Featured”类。 i m 采用jquery,但i dont知道热能选择合适的选择人?

i 审判

jQuery(document).ready(function($){
    $(".table .cat:first").css("color","blue");
})

但它只是选择第一组内容,即“分类”。

最佳回答

改为:

$(".table").find(".cat:first").css("color","blue");

另见,这一实例是

问题回答

您需要照样整理表格。

jQuery(document).ready(function($){
    $( .table ).each(function(){
        $(this).find( .cat:first ).css( color ,  blue );
    })
})

http://jsfiddle.net/vFT46/“rel=“nofollow” http://jsfiddle.net/vFT46/。

你们可以使用这样的东西。

$( .table ).find( .cat:first ).css( color , blue );

页: 1 * E/CN.6/2009/1。

rel=“nofollow>DEMO

jQuery(document).ready(function($) {
     $(".table .head").next().css("color", "blue");
});




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