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display: none vs [hidden]

Written byPhuoc Nguyen
18 Jul, 2020
HTML5 adds the `hidden` attribute which has the same affect as the CSS `display: none` declaration. An element will not be displayed if the `hidden` attribute is used regardless of its value:
<div hidden>
<!-- This will disappear from the screen -->
Both hides the content from the screen reader as well.


  1. Both `display: none` declaration and `hidden` attribute work in the same way. But the `hidden` attribute provides better semantic.
  2. `display: none` works in the old browsers, but `hidden` isn't supported natively in IE 10 and below.
To get around the problem, we can simply set
[hidden] {
display: none;
It's included in modern CSS normalizing libraries such as Normalize.css.
Changing the value of `display` property to something else (such as `display: flex`) will override the behavior of the `hidden` attribute.
Popular libraries prevent it from being overridden by using `!important`:
[hidden] {
display: none !important;
The implementation can be found in Bootstrap 4's Reboot, PureCSS.

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Phước Nguyễn