CSS3: empty Selector
CSS selectors complete reference manual
Definition and Usage
: Empty selector selects each element does not have any sub-class (including text nodes).
Browser Support
Figures in the table represent the first browser to support the version number of the property.
选择器 | |||||
---|---|---|---|---|---|
:empty | 4.0 | 9.0 | 3.5 | 3.2 | 9.6 |