Div奇数和偶数 [英] Div odd and even

问题描述

我有一个问题，我相信有一个简单的修复程序，只是我自己不知道该修复程序.

I have a problem that i believe to have a simple fix I just don't know the fix myself.

说我有一些div，例如

Say i have some divs i.e.

<div class="box-1"></div>
<div class="box-2"></div>
<div class="box-3"></div>
<div class="box-4"></div>

等

如果这些框需要使用其他颜色.我需要创建一些基本执行以下操作的css:

If these boxes need to be alternate colours. I need to create some css which basically does the following:

.box-(odd-number) {
    color:#000;
}
.box-(even-number) {
    color:#fff;
}

很明显，我知道上面的语法不正确.有人能指出我正确的方向吗?

Obviously I know the above is not the correct syntax. Could some one point me in the right direction.

谢谢

推荐答案

您可以将 nth-of-type 伪类与关键字 odd 和偶:

You can use the nth-of-type pseudo-class, combined with the keywords odd and even:

.box:nth-of-type(odd) {
background-color:#000;
}
    
.box:nth-of-type(even) {
background-color:#fff;
}

.box {
display: inline-block;
width: 100px;
height: 100px;
border: 1px solid #f00;
}

<div class="box"></div>
<div class="box"></div>
<div class="box"></div>
<div class="box"></div>

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