Jquery - 如何使用类和属性查找元素 [英] Jquery - How to find an element using class and attribute

问题描述

我正在尝试找出最有效的方法来找到我的元素.以下是我的 smy 结构:

I am trying to figure out the most efficient way to find my element. Following i smy structure:

<div class="a" customattrib="2">

为了找到这个元素，我可以这样做:

in order to find this element can I do something like :

$("div.a [customattrib='2']")

这似乎不起作用，还有其他方法吗?

This does not seem to work, is there another way to do this?

没有课程我能够获得价值，但我认为这对我的结构来说不够高效:

Without the class I am able to get the value but I do not think this is efficient enough for my structure:

$("div [customattrib='2']")

推荐答案

去掉空格:

$("div.a[customattrib='2']")

通过放入空格，您将把它变成一个后代选择器，该选择器查找所有匹配 [customattrib='2'] 并且 inside 元素的元素匹配 div.a.

By putting in the space, you're making it into a descendant selector which finds all elements that match [customattrib='2'] and are inside an element that matches div.a.

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