会有一个新的API

https://svgwg.org/specs/paths/#InterfaceSVGPathData

和a polyfill


https://github.com/jarek-foksa/path- data-polyfill.js

以及旧API的polyfill

https://github.com/progers/pathseg

另请参阅官方铬错误

https://code.google.com/p/chromium/issues/detail?id=539385

there will be a new API
https://svgwg.org/specs/paths/#InterfaceSVGPathData
and a polyfill for that
https://github.com/jarek-foksa/path-data-polyfill.js
as well as a polyfill for the old API
https://github.com/progers/pathseg
Also see the official chromium bug
https://code.google.com/p/chromium/issues/detail?id=539385