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Positioning of labels
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<iframe 
    src="https://jsxgraph.org/share/iframe/positioning-of-labels" 
    style="border: 1px solid black; overflow: hidden; width: 550px; aspect-ratio: 55 / 65;" 
    name="JSXGraph example: Positioning of labels" 
    allowfullscreen
></iframe>
This code has to 
<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 you have to mention 
    The Center of Mobile Learning with Digital Technology
    in the credits.
    */
    
    const BOARDID = 'board-0';

    var board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-2, 2, 2, -2], axis: true, keepaspectratio: true });
    
    var p = [];
    for (var i = 0; i < 4; i++) {
        p.push(board.create('point', [Math.random() * 3.6 - 1.8, Math.random() * 3.6 - 1.8]));
    }
    
    var pol = board.create('polygon', p, {
        withLines: false,
        withLabel: true,
        name: function() {
            return "lala  " + p[1].Dist(p[2]).toFixed(2) + "m";
        },
        id: p[0].X() + "_" + p[1].Y(),
        label: { offset: [-200, 100] } // Pixel values
    });
 </script> 
/*
This example is licensed under a 
Creative Commons Attribution ShareAlike 4.0 International License.
https://creativecommons.org/licenses/by-sa/4.0/

Please note you have to mention 
The Center of Mobile Learning with Digital Technology
in the credits.
*/

const BOARDID = 'your_div_id'; // Insert your id here!

var board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-2, 2, 2, -2], axis: true, keepaspectratio: true });

var p = [];
for (var i = 0; i < 4; i++) {
    p.push(board.create('point', [Math.random() * 3.6 - 1.8, Math.random() * 3.6 - 1.8]));
}

var pol = board.create('polygon', p, {
    withLines: false,
    withLabel: true,
    name: function() {
        return "lala  " + p[1].Dist(p[2]).toFixed(2) + "m";
    },
    id: p[0].X() + "_" + p[1].Y(),
    label: { offset: [-200, 100] } // Pixel values
});
<jsxgraph width="100%" aspect-ratio="1 / 1" title="Positioning of labels" 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 ShareAlike 4.0 International License.
   https://creativecommons.org/licenses/by-sa/4.0/
   
   Please note you have to mention 
   The Center of Mobile Learning with Digital Technology
   in the credits.
   */
   
   var board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-2, 2, 2, -2], axis: true, keepaspectratio: true });
   
   var p = [];
   for (var i = 0; i < 4; i++) {
       p.push(board.create('point', [Math.random() * 3.6 - 1.8, Math.random() * 3.6 - 1.8]));
   }
   
   var pol = board.create('polygon', p, {
       withLines: false,
       withLabel: true,
       name: function() {
           return "lala  " + p[1].Dist(p[2]).toFixed(2) + "m";
       },
       id: p[0].X() + "_" + p[1].Y(),
       label: { offset: [-200, 100] } // Pixel values
   });
</jsxgraph>
This code creates a polygon from four random points inside a coordinate plane. The polygon is labeled dynamically, showing the distance between two of its vertices, with label position adjusted using pixel offsets. **AI generated desctiption**
// Define the id of your board in BOARDID

var board = JXG.JSXGraph.initBoard(BOARDID, { boundingbox: [-2, 2, 2, -2], axis: true, keepaspectratio: true });

var p = [];
for (var i = 0; i < 4; i++) {
    p.push(board.create('point', [Math.random() * 3.6 - 1.8, Math.random() * 3.6 - 1.8]));
}

var pol = board.create('polygon', p, {
    withLines: false,
    withLabel: true,
    name: function() {
        return "lala  " + p[1].Dist(p[2]).toFixed(2) + "m";
    },
    id: p[0].X() + "_" + p[1].Y(),
    label: { offset: [-200, 100] } // Pixel values
});

license

This example is licensed under a Creative Commons Attribution ShareAlike 4.0 International License.
Please note you have to mention The Center of Mobile Learning with Digital Technology in the credits.