Free Trial Buy
    Your search did not match any results.
    Bar Charts

    Customize Points and Labels

    Documentation

    This demo shows how you can customize individual points and labels in the Chart.

    See more Hide details
    Prev Demo Next Demo

    jQuery

    Angular

    Vue

    React

    AngularJS

    ASP.NET Core

    ASP.NET MVC

    Copy to CodePen
    Apply
    Reset
    window.onload = function() { var highAverage = 77, lowAverage = 58; var viewModel = { chartOptions: { dataSource: dataSource, customizePoint: function() { if(this.value > highAverage) { return { color: "#ff7c7c", hoverStyle: { color: "#ff7c7c" } }; } else if(this.value < lowAverage) { return { color: "#8c8cff", hoverStyle: { color: "#8c8cff" } }; } }, customizeLabel: function() { if (this.value > highAverage) { return { visible: true, backgroundColor: "#ff7c7c", customizeText: function () { return this.valueText + "&#176F"; } }; } }, "export": { enabled: true }, valueAxis: { visualRange: { startValue: 40 }, maxValueMargin: 0.01, label: { customizeText: function() { return this.valueText + "&#176F"; } }, constantLines: [{ label: { text: "Low Average" }, width: 2, value: lowAverage, color: "#8c8cff", dashStyle: "dash" }, { label: { text: "High Average" }, width: 2, value: highAverage, color: "#ff7c7c", dashStyle: "dash" }] }, series: [ { argumentField: "day", valueField: "temperature", type: "bar", color: "#e7d19a" }], title: { text: "Daily Temperature in May" }, legend: { visible: false } } }; ko.applyBindings(viewModel, document.getElementById("chart-demo")); };
    <!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> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.2/knockout-min.js"></script> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.7/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/20.2.7/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="chart-demo"> <div id="chart" data-bind="dxChart: chartOptions"></div> </div> </div> </body> </html>
    #chart { height: 440px; }
    var dataSource = [{ day: '1', temperature: 57 }, { day: '2', temperature: 58 }, { day: '3', temperature: 57 }, { day: '4', temperature: 59 }, { day: '5', temperature: 63 }, { day: '6', temperature: 63 }, { day: '7', temperature: 63 }, { day: '8', temperature: 64 }, { day: '9', temperature: 64 }, { day: '10', temperature: 64 }, { day: '11', temperature: 69 }, { day: '12', temperature: 72 }, { day: '13', temperature: 75 }, { day: '14', temperature: 78 }, { day: '15', temperature: 76 }, { day: '16', temperature: 70 }, { day: '17', temperature: 65 }, { day: '18', temperature: 65 }, { day: '19', temperature: 68 }, { day: '20', temperature: 70 }, { day: '21', temperature: 73 }, { day: '22', temperature: 73 }, { day: '23', temperature: 75 }, { day: '24', temperature: 78 }, { day: '25', temperature: 76 }, { day: '26', temperature: 76 }, { day: '27', temperature: 80 }, { day: '28', temperature: 76 }, { day: '29', temperature: 75 }, { day: '30', temperature: 75 }, { day: '31', temperature: 74 }];