September 2020 web platform update
Newly available on the web platform
Newly available
-
BigInt: The
BigInt
JavaScript type represents integers of any size, including integers too large for the primitiveNumber
type. Learn more. -
Promise.any(): The
Promise.any()
static method returns a promise that fulfills as soon as the first of an iterable of promises fulfills, with that promise's value. Otherwise, it rejects with anAggregateError
when all of the promises have rejected. Learn more. -
scrollIntoView(): The
scrollIntoView()
method scrolls an element's ancestor containers such that the element is visible to the user. 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
Limited availability
-
overflow: The
overflow
CSS property sets the behavior for when content doesn't fit in an element. Learn more.
Now available in Firefox for Android
Limited availability
-
overflow: The
overflow
CSS property sets the behavior for when content doesn't fit in an element. Learn more.
Now available in Safari
Limited availability
-
background-clip: text: The
background-clip: text
CSS declaration draws the background underneath only the text in the element. Learn more. -
:is(): The
:is()
CSS functional pseudo-class takes a selector list as its argument, and matches any element that can be selected by one of the selectors in that list. Learn more. -
:where(): The
:where()
CSS functional pseudo-class takes a selector list as its argument, and matches any element that can be selected by one of the selectors in that list. It is functionally equivalent to the selectors in the list, but doesn't affect the CSS rule specificity. Learn more.
Now available in Safari on iOS
Limited availability
-
background-clip: text: The
background-clip: text
CSS declaration draws the background underneath only the text in the element. Learn more. -
:is(): The
:is()
CSS functional pseudo-class takes a selector list as its argument, and matches any element that can be selected by one of the selectors in that list. Learn more. -
:where(): The
:where()
CSS functional pseudo-class takes a selector list as its argument, and matches any element that can be selected by one of the selectors in that list. It is functionally equivalent to the selectors in the list, but doesn't affect the CSS rule specificity. Learn more.