Quelltext der Konstruktion
board = JXG.JSXGraph.initBoard('jxgbox', {boundingbox:[-2, 5, 10, -3], axis: true, grid: false,
keepaspectratio: true, showcopyright: false});
p1 = board.createElement('point', [1, 1]);
p2 = board.createElement('point', [1, 3]);
p3 = board.createElement('point', [8, 1]);
l1 = board.createElement('line', [p1, p3]);
c1 = board.createElement('circle', [p1, p2]);
g1 = board.createElement('glider', [4, 4, c1], {name:"G"});
m1 = board.createElement('midpoint', [g1, p3]);
c2 = board.createElement('circle', [m1, 1]);
m2 = board.createElement('intersection', [l1, c2, 0]);
m3 = board.createElement('midpoint', [m2, g1], {name: "T"});
loc = board.createElement('locus', [m3], {strokeColor: 'red', strokeWidth: '1px'});