proj4js CDN Link

Proj4js is a JavaScript library to transform point coordinates from one coordinate system to another, including datum transformations.

Current stable version of proj4js is 2.12.1

https://cdn.tutorialjinni.com/proj4js/2.12.1/proj4-src.js	Copy Link \| Copy Tag \| View Raw
https://cdn.tutorialjinni.com/proj4js/2.12.1/proj4-src.min.js	Copy Link \| Copy Tag \| View Raw
https://cdn.tutorialjinni.com/proj4js/2.12.1/proj4.js	Copy Link \| Copy Tag \| View Raw
https://cdn.tutorialjinni.com/proj4js/2.12.1/proj4.min.js	Copy Link \| Copy Tag \| View Raw