jsxgraph/jsxgraph — pull request #66 by sebablanco (2013-11-13 20:49:36+00:00)
Title: Fixing Env.isTouchEvent for IE8

Using Modernizr's approach to detect touch events as in IE8 this method was throwing "Object doesn't support this property or method". `hasOwnProperty` seems to be undefined for `document.documentElement`