Multiple turtles

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Output

The underlying JavaScript code

var brd = JXG.JSXGraph.initBoard('box', {boundingbox: [-300, 300, 300, -300]});
var t1 = brd.createElement('turtle');
var t2 = brd.createElement('turtle');

t1.setPos(200,0);
t2.setPos(0,0);
var n = 64;
var delta = 360.0/n;
function chase() {
    t1.fd(20);
    t1.lt(delta);
    t2.lookTo(t1.pos);
    t2.fd(20);
    action = setTimeout(chase,100);
}
chase();