LGTM3
/Daniel
On 2026-09-02 17:12, Yoav Weiss (@Shopify) wrote:
LGTM2
On Wed, Sep 2, 2026 at 5:12 PM Rick Byers <[email protected]> wrote:
LGTM1
On Wed, Aug 26, 2026 at 3:47 PM 'Munira Tursunova' via blink-dev
<[email protected]> wrote:
*Contact emails*
[email protected]
*Explainer*
https://webkit.org/blog/17285/rolling-the-dice-with-css-random
https://css-tricks.com/almanac/functions/r/random
*Specification*
https://www.w3.org/TR/css-values-5/#random
*Summary*
The random() function brings generative randomness to CSS,
allowing web authors to generate a random numeric value within
a specified range. For example, web authors can use random()
to scatter elements randomly within their container:
.dot {
/* Position each dot randomly */
position: absolute;
top: random(0%, 100%);
left: random(0%, 100%);
}
This feature also includes caching controls. By default, each
random() function resolves to a new, distinct value. Web
authors can override this default by passing a <random-key>
value as the function's first argument to control how random
values are shared across properties and elements.
*Blink component*
Blink>CSS
<https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECSS%22>
*Web Feature ID*
Missing feature
*Motivation*
The CSS random() function provides a native way to generate
random values directly in CSS without relying on JavaScript,
reducing code complexity while making it easier for developers
to create varied and dynamic designs.
*Initial public proposal*
/No information provided/
*Search tags*
random <https://chromestatus.com/features#tags:random>
*TAG review*
/No information provided/
*TAG review status*
Pending
*Goals for experimentation*
None
*Risks*
*Interoperability and Compatibility*
Low, shipped in Safari and positive signals from Firefox
/Gecko/:
Positive (https://github.com/mozilla/standards-positions/issues/809)
/WebKit/:
Shipped/Shipping
(https://webkit.org/blog/17285/rolling-the-dice-with-css-random)
/Web developers/: No signals
/Other signals/:
*WebView application risks*
Does this intent deprecate or change behavior of existing
APIs, such that it has potentially high risk for Android
WebView-based applications?
/No information provided/
*Debuggability*
Currently not supported in DevTools value debugger. Might be
hard to support since we need to know the specified random
value position for caching. See:
issues.chromium.org/issues/40068516
<https://issues.chromium.org/issues/40068516>.
*Will this feature be supported on all six Blink platforms
(Windows, Mac, Linux, ChromeOS, Android, and Android WebView)?*
Yes
*Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>?*
Yes
https://wpt.fyi/results/css/css-values?label=master&label=experimental&aligned&q=random
<https://wpt.fyi/results/css/css-values?label=master&label=experimental&aligned&q=random>
*Flag name on about://flags*
/No information provided/
*Finch feature name*
CSSRandomFunction
*Rollout plan*
Will ship enabled for all users
*Requires code in //chrome?*
False
*Tracking bug*
https://issues.chromium.org/issues/413385732
*Estimated milestones*
Shipping on desktop 155
Shipping on Android 155
*Anticipated spec changes*
Open questions about a feature may be a source of future web
compat or interop issues. Please list open issues (e.g. links
to known github issues in the project for the feature
specification) whose resolution may introduce web
compat/interop risk (e.g., changing to naming or structure of
the API in a non-backward-compatible way).
/No information provided/
*Link to entry on the Chrome Platform Status*
https://chromestatus.com/feature/5324559251275776?gate=6579011069280256
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