JavaScript/jQuery Gauges - Scale Label Formatting

This demo shows how to format the text of the scale labels using the customizeText property.

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Backend API

$(() => { $('#gauge').dxCircularGauge({ scale: { startValue: 0, endValue: 100, tickInterval: 10, label: { customizeText(arg) { return `${arg.valueText} %`; }, }, }, rangeContainer: { ranges: [ { startValue: 0, endValue: 20, color: '#CE2029' }, { startValue: 20, endValue: 50, color: '#FFD700' }, { startValue: 50, endValue: 100, color: '#228B22' }, ], }, export: { enabled: true, }, title: { text: 'Battery Charge', font: { size: 28 }, }, value: 45, }); });

<!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/24.1.7/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%; }