:defined
represents any element that has been defined. This includes standard elements and custom elements that have been successfully defined.
:defined {
background-color: #000;
color: #fff;
}
Standard elements
<p>I'm defined</p>
<small>I'm defined</small>
I’m defined
I’m defined
Undefined custom elements
<unde-fined>I'm not defined</unde-fined>
Defined custom elements
<de-fined>I'm defined</de-fined>
class BasicComponent extends HTMLElement {
constructor() {
super();
}
}
customElements.define('de-fined', BasicComponent);
Deprecated elements
<center>test</center>
<font>test</font>
<blink>test</blink>
test
Print
Share
Comment
Cite
Upload
Translate
APA
Manuel Matuzović | Sciencx (2024-03-29T12:51:45+00:00) » Day 70: the defined pseudo-class. Retrieved from https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/.
MLA" » Day 70: the defined pseudo-class." Manuel Matuzović | Sciencx - Friday December 30, 2022, https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/
HARVARDManuel Matuzović | Sciencx Friday December 30, 2022 » Day 70: the defined pseudo-class., viewed 2024-03-29T12:51:45+00:00,<https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/>
VANCOUVERManuel Matuzović | Sciencx - » Day 70: the defined pseudo-class. [Internet]. [Accessed 2024-03-29T12:51:45+00:00]. Available from: https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/
CHICAGO" » Day 70: the defined pseudo-class." Manuel Matuzović | Sciencx - Accessed 2024-03-29T12:51:45+00:00. https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/
IEEE" » Day 70: the defined pseudo-class." Manuel Matuzović | Sciencx [Online]. Available: https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/. [Accessed: 2024-03-29T12:51:45+00:00]
rf:citation » Day 70: the defined pseudo-class | Manuel Matuzović | Sciencx | https://www.scien.cx/2022/12/30/day-70-the-defined-pseudo-class/ | 2024-03-29T12:51:45+00:00
https://github.com/addpipe/simple-recorderjs-demo