- The :empty CSS pseudo-class represents any element that has no children.
3️⃣ :picture-in-picture
- The :picture-in-picture CSS pseudo-class matches the element which is currently in picture-in-picture mode.
For example, picture-in-picture mode of videos
4️⃣ :indeterminate
- The :indeterminate CSS pseudo-class represents any form element whose state is indeterminate, such as checkboxes which have their HTML indeterminate attribute set to true
5️⃣ :playing
- The :playing CSS pseudo-class selector is a resource state pseudo-class that will match an audio, video, or similar resource that is capable of being “played” or “paused”, when that element is “playing”.
6️⃣ :paused
Similarly, the :paused CSS pseudo-class selector is a resource state pseudo-class that will match an audio or video when that element is “paused”.
P.S. playing and paused are currenly is experiment. They are not standardized yet
7️⃣ :right
- The :right CSS pseudo-class, used with the @page at-rule, represents all right-hand pages of a printed document.
8️⃣ Similarly, :left pseudo-class for left-hand pages
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In the next 3 minutes, you will be able to tackle CORS errors much more effectively.
CORS is not rocket science.
It's the biggest pain for developers because the majority of us don't know its core concept.
Let's try to build a solid fundamental.
Stands for Cross-Origin Resource Sharing.
It is a security feature implemented by web browsers (almost all) that controls how web pages from one domain can request resources hosted on another domain.