Numeric Scale

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In this demo, data used to define the RangeSelector scale comes in the string type. However, there is the valueType option that specifies the actual data type of the scale. As this option is set to «numeric», the string data will be cast to the numeric type.

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$(function(){ $("#range-selector").dxRangeSelector({ dataSource: dataSource, margin: { top: 50 }, chart: { commonSeriesSettings: { type: "spline", argumentField: "weight" }, series: [ { valueField: "appleCost", color: "#00ff00" }, { valueField: "orangeCost", color: "#ffa500" } ] }, scale: { valueType: "numeric" }, value: ["1", "2"], title: "Select a Product Weight" }); });

<!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="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/20.2.4/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.4/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/20.2.4/js/dx.all.js"></script> <script src="data.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"></div> </div> </body> </html>

#range-selector { height: 400px; }

var dataSource = [ { weight: "1", appleCost: 3, orangeCost: 7 }, { weight: "2", appleCost: 20, orangeCost: 14 }, { weight: "3", appleCost: 21, orangeCost: 21 }, { weight: "4", appleCost: 22, orangeCost: 28 }, { weight: "5", appleCost: 25, orangeCost: 35 }, { weight: "6", appleCost: 30, orangeCost: 42 }, { weight: "7", appleCost: 35, orangeCost: 44 }, { weight: "8", appleCost: 42, orangeCost: 45 }, { weight: "9", appleCost: 49, orangeCost: 46 }, { weight: "10", appleCost: 60, orangeCost: 47 } ];