ef.js

Declarative DOM helper experiment

Clock sample

This page demonstrates a single state / single loop application architecture using ef.js.

Query parameters

Name Available values Description
feature Feature flag name, see below Feature flag to activate. Can be multiple.
locale Valid locale string (see Intl.Locale for more) Locale to use for formatting datetime for screen readers.
fg Predefined color, see below Foreground color.
bg Predefined color, see below Background color.

fg and bg are only available on a browser that supports oklch() CSS function (added in CSS Color Module Level 4).

Feature flags

Name Description
dropshadow Render shadows on texts.
show-visuallyhidden Render visually hidden texts (for screen reader) on screeen.

List of predefined colors