Share JSXGraph: example "Click on element"

<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 ShareAlike 4.0 International License.
    https://creativecommons.org/licenses/by-sa/4.0/
    
    Please note that 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: [-5, 5, 5, -5],
        axis: true
    });
    
    var point = board.create('point', [1, 1], {
        size: 10
    });
    
    var txt = board.create('text', [-3, 3, 'Right click'], {
        fontSize: 24,
        visible: false
    });
    
    point.on('up', (evt) => {
        // Check for right button
        if (evt.button === 2) {
            // Show text
            txt.setAttribute({
                visible: true
            });
            // Hide text after two seconds
            setTimeout(() => txt.setAttribute({
                visible: false
            }), 2000);
        }
    });
 </script> 

<jsxgraph width="100%" aspect-ratio="1 / 1" title="Click on element" description="This construction was copied from JSXGraph examples database: http://jsxgraph.org/share/" useGlobalJS="false">
   /*
   This example is licensed under a 
   Creative Commons Attribution ShareAlike 4.0 International License.
   https://creativecommons.org/licenses/by-sa/4.0/
   
   Please note that you have to mention 
   The Center of Mobile Learning with Digital Technology
   in the credits.
   */
   
   const board = JXG.JSXGraph.initBoard(BOARDID, {
       boundingbox: [-5, 5, 5, -5],
       axis: true
   });
   
   var point = board.create('point', [1, 1], {
       size: 10
   });
   
   var txt = board.create('text', [-3, 3, 'Right click'], {
       fontSize: 24,
       visible: false
   });
   
   point.on('up', (evt) => {
       // Check for right button
       if (evt.button === 2) {
           // Show text
           txt.setAttribute({
               visible: true
           });
           // Hide text after two seconds
           setTimeout(() => txt.setAttribute({
               visible: false
           }), 2000);
       }
   });
</jsxgraph>