问题存在于此CSS和HTML中.下面是带有示例代码的link to jsFiddle.
HTML个
<ul>
<li class"complete">1</li>
<li class"complete">2</li>
<li>3</li>
<li>4</li>
</ul>
CSS
li.complete:last-child {
background-color:yellow;
}
li.complete:last-of-type {
background-color:yellow;
}
这两行CSS中的任何一行都不应该以last li element with the "complete" class为目标吗?
jQuery中的这个查询也不针对它:
$("li.complete:last-child");
但这个有:
$("li.complete").last();
li {
background-color: green;
}
li.complete:first-child {
background-color: white;
}
li.complete:first-of-type {
background-color: red;
}
li.complete:last-of-type {
background-color: blue;
}
li.complete:last-child {
background-color: yellow;
}
<ul>
<li class="complete">1</li>
<li class="complete">2</li>
<li>3</li>
<li>4</li>
</ul>