January 2019 web platform update
Now available in Chrome
Limited availability
-
Conic gradients: The
conic-gradient()
andrepeating-conic-gradient()
CSS functions create backgrounds that progress between two or more colors around a center point. Learn more. -
User activation: The
navigator.userActivation
API reveals whether the user has interacted with the page through an "activation" gesture such as a click, tap, or key press. User activation gated APIs (such as the fullscreen API) fail without user interaction, and this API allows you to predict such a failure. Learn more.
Now available in Chrome Android
Limited availability
-
Conic gradients: The
conic-gradient()
andrepeating-conic-gradient()
CSS functions create backgrounds that progress between two or more colors around a center point. Learn more. -
User activation: The
navigator.userActivation
API reveals whether the user has interacted with the page through an "activation" gesture such as a click, tap, or key press. User activation gated APIs (such as the fullscreen API) fail without user interaction, and this API allows you to predict such a failure. Learn more.
Now available in Firefox
Limited availability
-
messageerror: The
messageerror
event fires on a target, such as a window or worker, when an incoming message cannot be deserialized. This event can fire for many types of messages, such as cross-document messages or broadcast channel messages. Learn more. -
Storage access: The
document.requestStorageAccess()
method allows content in iframes to request storing and reading cookies and other site data, while thedocument.hasStorageAccess()
method checks if such access is granted. Learn more. -
WebP: The WebP image format is a raster graphics file format that supports animation, alpha transparency, and lossy as well as lossless compression. Learn more.
Now available in Firefox for Android
Limited availability
-
messageerror: The
messageerror
event fires on a target, such as a window or worker, when an incoming message cannot be deserialized. This event can fire for many types of messages, such as cross-document messages or broadcast channel messages. Learn more. -
Storage access: The
document.requestStorageAccess()
method allows content in iframes to request storing and reading cookies and other site data, while thedocument.hasStorageAccess()
method checks if such access is granted. Learn more. -
WebP: The WebP image format is a raster graphics file format that supports animation, alpha transparency, and lossy as well as lossless compression. Learn more.