MDN wants to learn about developers like you: https://qsurvey.mozilla.com/s3/MDN-dev-survey

update is a CSS media feature that can be used to check how quickly (if at all) the output device is able to modify the appearance of the content.

Enumerated values

Value Meaning
none  
slow  
fast  

Specifications

Specification Status Comment
Media Queries Level 4
The definition of 'update' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? ? ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ?

Document Tags and Contributors

 Contributors to this page: mfluehr, y0ssar1an, Sebastianz, kscarfone, cvrebert
 Last updated by: mfluehr,