The Tree Slider - GitHubEngineeringThe Tree SliderThose of you running recent versions of Safari, Chrome, or Firefox 4 may have noticed some changes to tree browsing on GitHub. The new HTML5 History API (which really has… Those of you running recent versions of Safari, Chrome, or Firefox 4 may have noticed some changes to tree browsing on GitHub. The new HTML5 History API (which really has nothing to do with HTML — it’s
