This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Avoid using it and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
SVGPathElement.pathLength property reflects the
pathLength attribute and returns the total length of the path, in user units.
var pathLength = someElement.pathLength;
|Scalable Vector Graphics (SVG) 1.1 (Second Edition)
The definition of 'SVGPathElement.pathLength' in that specification.
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
|Feature||Chrome||Edge||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||(Yes)||No support||(Yes)||No support||(Yes)||(Yes)|
|Feature||Android||Android Webview||Chrome for Android||Firefox Mobile (Gecko)||IE Mobile||Opera Mobile||Safari Mobile|
 As required by the SVG 2 specification, this property was moved to the
SVGGeometryElement interface in Gecko 53 (Firefox 53.0 / Thunderbird 53.0 / SeaMonkey 2.50).