DevExtreme v24.1 is now available.

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Gauge Tooltip

This demo shows how to enable and customize the tooltip of the CircularGauge. Hover over the value indicator or any of the subvalue indicators to show its tooltip.

Backend API
$(() => { $('#gauge').dxCircularGauge({ scale: { startValue: 0, endValue: 20, tickInterval: 5, }, value: 12, subvalues: [8, 18], tooltip: { enabled: true, customizeTooltip(arg) { return { text: `${arg.valueText} ohm`, }; }, font: { color: '#DCD0FF', size: 40, }, }, export: { enabled: true, }, title: { text: 'Rheostat Resistance', font: { size: 28 }, }, }); });
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script>window.jQuery || document.write(decodeURIComponent('%3Cscript src="js/jquery.min.js"%3E%3C/script%3E'))</script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.4/css/dx.light.css" /> <script src="js/dx.all.js"></script> <link rel="stylesheet" type="text/css" href="styles.css" /> <script src="index.js"></script> </head> <body class="dx-viewport"> <div class="demo-container"> <div id="gauge"></div> </div> </body> </html>
#gauge { height: 440px; width: 100%; }