code: function getChromeVersion() {
            var raw = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
            return raw ? parseInt(raw[2], 10) : false;
          }
docs: BUG: Workaround Chrome WebGL 2 issue: the first shipped versions of WebGL 2 in Chrome did not actually implement the new WebGL 2 functions. Those are supported only in Chrome 58 and newer.