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    Map

    Markers

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    The Map component can display markers on the map. The collection of displayed markers is declared in the markers array. Markers can include tooltips that provide additional information.

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    window.onload = function () { const markerUrl = 'https://js.devexpress.com/Demos/RealtorApp/images/map-marker.png'; const markerUrlValue = ko.observable(markerUrl); const markersData = [{ location: [40.755833, -73.986389], tooltip: { text: 'Times Square', isShown: false, }, }, { location: '40.7825, -73.966111', tooltip: { text: 'Central Park', isShown: false, }, }, { location: { lat: 40.753889, lng: -73.981389 }, tooltip: { text: 'Fifth Avenue', isShown: false, }, }, { location: 'Brooklyn Bridge,New York,NY', tooltip: { text: 'Brooklyn Bridge', isShown: false, }, }, ]; const markers = ko.observableArray(markersData); const viewModel = { mapOptions: { provider: 'bing', zoom: 11, height: 440, width: '100%', controls: true, markerIconSrc: markerUrlValue, markers, }, useCustomMarkersOptions: { value: true, text: 'Use custom marker icons', onValueChanged(data) { markers(markersData); markerUrlValue(data.value ? markerUrl : null); }, }, showTooltipsOptions: { text: 'Show all tooltips', onClick() { markers(markersData.map((item) => $.extend( true, {}, item, { tooltip: { isShown: true } }, ))); }, }, }; ko.applyBindings(viewModel, document.getElementById('map-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/21.2.5/css/dx.common.css" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/21.2.5/css/dx.light.css" /> <script src="https://cdn3.devexpress.com/jslib/21.2.5/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="map-demo"> <div data-bind="dxMap: mapOptions"></div> <div class="options"> <div class="caption">Options</div> <div class="option"> <div id="use-custom-markers" data-bind="dxCheckBox: useCustomMarkersOptions"></div> </div> <div class="option"> <div id="show-tooltips" data-bind="dxButton: showTooltipsOptions"></div> </div> </div> </div> </div> </body> </html>
    .options { padding: 20px; background-color: rgba(191, 191, 191, 0.15); margin-top: 20px; } .caption { font-size: 18px; font-weight: 500; } .option { margin-top: 10px; }