CSS “d” path - attribute doesn't work in Safari, FireFox

Question

I want use CSS animation for attribute \"d\" to SVG path. This example working in Google chrome:

Answer 1

d is an SVG “Geometry Property” defined in the SVG 2 specification at https://svgwg.org/svg2-draft/paths.html#TheDProperty. Google Chrome’s Blink layout engine is the only layout engine to support this property and its implementation doesn’t match the current specification definition.

Relevant Issue Tracker Pages:

• Bugzilla@Mozilla Bug 1383650
• Microsoft Edge Development Issue 11543103
• Monorail Issue 652822

And, yes, you can achieve the same effect using the SVG animate element:

0.42 0 1 1 is the set of cubic Bézier values for the ease-in animation-timing-function property keyword as defined in the CSS Timing Functions, Level 1 specification: https://drafts.csswg.org/css-timing-1/#valdef-cubic-bezier-timing-function-ease-in.