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Range Selector

Custom Formatting

Documentation
This demo demonstrates the ability of the RangeSelector to set a custom format. The format of the slider marker is customized via the customizeText callback. The scale data is also formatted since the initial precision set in the data source is not suitable for properly displaying the data. So, a more appropriate precision is set for scale labels.
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window.onload = function() { var viewModel = { rangeSelectorOptions: { margin: { top: 50 }, size: { height: 210 }, scale: { minorTickInterval: 0.001, tickInterval: 0.005, startValue: 0.004563, endValue: 0.04976, label: { format: { type: "fixedPoint", precision: 3 } } }, sliderMarker: { format: { type: "fixedPoint", precision: 4 }, customizeText: function () { return this.valueText + " mg/L"; } }, behavior: { snapToTicks: false }, title: "Select a Lead Concentration in Water" } }; ko.applyBindings(viewModel, $("#range-selector-demo").get(0)); };
<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <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=1.0" /> <script src="js/jquery-3.1.0.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.3/css/dx.spa.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/17.1.3/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/17.1.3/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/17.1.3/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="range-selector-demo"> <div id="range-selector" data-bind="dxRangeSelector: rangeSelectorOptions"></div> </div> </div> </body> </html>
#range-selector { height: 440px; width: 100%; }