PEP 0.4.0 发布，主要更新包括，更好地支持 module bundlers。详细内容如下：

• Fixed module inclusion for node, browserify, webpack, etc. (#223, 6a9c6f0, 19122a3)

• Added WIP build to CDN. (#230)

• Moved pointerevents.js to src/ directory. (#239, fbf316b)

• Check for standard properties before prefixed properties (#225, 1c93f07)

• Fixed issue when mutation observers aren't supported. (#204, d928d44)

• Fixed Node.contains() bug in Firefox. (#193, 589bd3f)

• Fixed tests for PointerMap API (#196, efce89d)

• Added watch task to rebuild on source changes. (#236, 19e739e)

• Improved buttons property for pointerdown and pointerup events. (#166, 0e3fb28)

• Replaced touch-action list with spec reference. (#210, 983f24c)

• Added example for using PEP with jQuery. (#163, 35ac341)

• Replaced PointerMap with potentially-sparse-array-based Map polyfill. (8c6d453)

下载地址： npm, bower (pepjs), the jQuery CDN,  GitHub release

PEP(Pointer Events Polyfill) 是 Web 平台的统一事件系统。

鼠标事件和触摸事件在浏览器中是完全不同的，很难写出跨平台的应用。此应用就是为了解决这个问题，统一事件的处理，同时监听桌面的鼠标事件和移动端的触摸事件。

完全支持：Chrome 18+, Safari 6+, IE 10, Firefox 14+；部分支持 Opera 12-14。