Open Bug 1736388 Opened 4 years ago Updated 4 years ago

Allow for different lazy loading policies on responsive image sources.

Categories

(Core :: DOM: Core & HTML, enhancement)

Product:
Core
Component:
DOM: Core & HTML
Type:
enhancement

Tracking

()

Status:
UNCONFIRMED

People

(Reporter: patmeenan, Unassigned)

Details

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36

Steps to reproduce:

Chrome is adding support for different lazyload policies for responsive images: https://bugs.chromium.org/p/chromium/issues/detail?id=1260918

Actual results:

Firefox does not support this syntax, and I could not find an existing bug requesting it.

Expected results:

Firefox should also support differing lazyload policies for responsive sites using the support for the <picture> element to override <img> policies based on media queries.

whatwg issue: https://github.com/whatwg/html/issues/7227

This is an extension of the support for the loading attribute on img tags: https://bugzilla.mozilla.org/show_bug.cgi?id=1542784

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