mbostock/d3 — pull request #738 by jasondavies (2012-07-31 14:59:35+00:00)
Title: d3.timer: use high resolution timer if available.

This allows us to measure time with sub-millisecond precision, which can make transitions more precise. Currently only supported in Chrome.

See also:

* http://updates.html5rocks.com/2012/05/requestAnimationFrame-API-now-with-sub-millisecond-precision
* http://dvcs.w3.org/hg/webperf/raw-file/tip/specs/HighResolutionTime/Overview.html