MediaWiki example (dup)

The underlying code

<jsxgraph width="500" height="500">
  var brd = JXG.JSXGraph.initBoard('jxgbox',{boundingbox:[-2,2,2,-2]});
  var p = brd.create('point',[1.5,1.5],{face:'o', size:8});
  var q = brd.create('point',[-1,-0.5],{face:'x', size:5});
  brd.create('segment',[p,q],{dash:3});
</jsxgraph>