<iframe 
    src="http://jsxgraph.org/share/iframe/animation-infinite-with-setinterval" 
    style="border: 1px solid black; overflow: hidden; width: 550px; aspect-ratio: 55 / 65;" 
    name="JSXGraph example: Animation: infinite with setInterval" 
    allowfullscreen
></iframe>

<div id="board-0-wrapper" class="jxgbox-wrapper " style="width: 100%; ">
   <div id="board-0" class="jxgbox" style="aspect-ratio: 1 / 1; width: 100%;" data-ar="1 / 1"></div>
</div>

<script type = "text/javascript"> 
    /*
    This example is licensed under a 
    Creative Commons Attribution 4.0 International License.
    https://creativecommons.org/licenses/by/4.0/
    
    Please note you have to mention 
    The Center of Mobile Learning with Digital Technology
    in the credits.
    */
    
    const BOARDID = 'board-0';

    const board = JXG.JSXGraph.initBoard(BOARDID, {
        boundingbox: [-1.5, 1.5, 1.5, -1.5],
        keepaspectratio: true,
        axis: true
    });
    
    var p = board.create('point', [0, 1], {
        size: 5,
        strokeColor: 'red',
        fillOpacity: 0.3,
        strokeOpacity: 0.3
    });
    board.create('arrow', [
        [0, 0], p
    ], {
        strokeWidth: 5,
        strokeOpacity: 0.7,
        strokeColor: 'blue'
    });
    
    // Start infinite animation
    var i = -1;
    setInterval(function() {
        p.moveTo([Math.sin(i * Math.PI * 2 / 12), Math.cos(i * Math.PI * 2 / 12)], 800);
        i++;
    }, 1000);
 </script> 

<jsxgraph width="100%" aspect-ratio="1 / 1" title="Animation: infinite with setInterval" description="This construction was copied from JSXGraph examples database: BTW HERE SHOULD BE A GENERATED LINKuseGlobalJS="false">
   /*
   This example is licensed under a 
   Creative Commons Attribution 4.0 International License.
   https://creativecommons.org/licenses/by/4.0/
   
   Please note you have to mention 
   The Center of Mobile Learning with Digital Technology
   in the credits.
   */
   
   const board = JXG.JSXGraph.initBoard(BOARDID, {
       boundingbox: [-1.5, 1.5, 1.5, -1.5],
       keepaspectratio: true,
       axis: true
   });
   
   var p = board.create('point', [0, 1], {
       size: 5,
       strokeColor: 'red',
       fillOpacity: 0.3,
       strokeOpacity: 0.3
   });
   board.create('arrow', [
       [0, 0], p
   ], {
       strokeWidth: 5,
       strokeOpacity: 0.7,
       strokeColor: 'blue'
   });
   
   // Start infinite animation
   var i = -1;
   setInterval(function() {
       p.moveTo([Math.sin(i * Math.PI * 2 / 12), Math.cos(i * Math.PI * 2 / 12)], 800);
       i++;
   }, 1000);
</jsxgraph>