这种CSS语法是否存在并且可以安全地用于所有现代浏览器。
footer ul.footer-menu li:not(:first-child):after
答案 0 :(得分:1)
是的有效,请参阅下面的代码段。
footer ul.footer-menu li:not(:first-child):after {
content: 'added some text';
color: red;
}

<footer>
<ul class="footer-menu">
<li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ut tempora voluptatum praesentium rem culpa, cupiditate quas animi commodi voluptates? Cupiditate error cum suscipit dolorum deleniti? Non dolore, cumque assumenda voluptatum.</li>
<li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ut tempora voluptatum praesentium rem culpa, cupiditate quas animi commodi voluptates? Cupiditate error cum suscipit dolorum deleniti? Non dolore, cumque assumenda voluptatum.</li>
<li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ut tempora voluptatum praesentium rem culpa, cupiditate quas animi commodi voluptates? Cupiditate error cum suscipit dolorum deleniti? Non dolore, cumque assumenda voluptatum.</li>
<li>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ut tempora voluptatum praesentium rem culpa, cupiditate quas animi commodi voluptates? Cupiditate error cum suscipit dolorum deleniti? Non dolore, cumque assumenda voluptatum.</li>
</ul>
</footer>
&#13;
是的,在所有现代浏览器上使用都是安全的。根据caniuse.com的数据,updated that Wikipedia CORS article(:after
),generated content by pseudo-elements(:first-child
)和CSS 2.1 selectors(全球支持率接近98%)( :not
)。
答案 1 :(得分:1)
是
:not
97.72%全球浏览器支持
:first-child
97.74%全球浏览器支持
:after
97.72%全球浏览器支持
您可以随时了解是否可以使用......这里
参考:https://caniuse.com/