这也就意味着，它或它的后代获得焦点，都可以触发 :focus-within 。 :focus-within 的冒泡性. 这个属性有点类似Javascript 的事件冒泡，从可获焦元素开始 ... ... <看更多>

The code uses anchor tag elements so as to have a focusable element within the li elements. The problem with this, alongside the empty href ... ... <看更多>

Small vanilla javascript that feature detect the :focus-within pseudo selector and polyfills it with a standard css class if necessary. ... <看更多>

Focus Within Health & Wellbeing is passionate about working with people to achieve their wellbeing... 8 La Valla Court, Bendigo, VIC, Australia 3551. ... <看更多>