语法:
E:only-child : {attribute}
相关伪类: E:root | E:nth-child(n) | E:nth-last-child(n) | E:nth-of-type(n) | E:nth-last-of-type(n) | E:last-child | E:first-of-type | E:only-of-type | E:empty
说明:
匹配属于父元素中唯一子元素的E
兼容性:
类型 | Internet Explorer | Firefox | Chrome | Opera | Safari |
---|---|---|---|---|---|
版本 | (×)IE6 | (×)Firefox 2.0 | (√)Chrome 1.0.x | (√)Opera 9.63 | (√)Safari 3.1 |
(×)IE7 | (√)Firefox 3.0 | (√)Chrome 2.0.x | (√)Safari 4Public beta | ||
(×)IE8 | (√)Firefox 3.5 | ||||