Examples
Styles (10)Add an animated icon to the mapAdd a generated icon to the mapGenerate and add a missing icon to the mapAdd an icon to the mapAdd a stretchable image to the mapDisplay a map with a custom styleRender world copiesDisplay a satellite mapChange a map's styleDisplay a mapLayers (32)Display buildings in 3DExtrude polygons for 3D indoor mappingAdd a 3D modelAdjust a layer's opacityAnimate a lineAnimate a series of imagesAnimate a pointChange building color based on zoom levelChange the case of labelsCreate and style clustersDisplay HTML clusters with custom propertiesChange a layer's color with buttonsAdd a custom style layerStyle circles with a data-driven propertyStyle lines with a data-driven propertyDisplay and style rich text labelsUse a fallback imageAdd a pattern to a polygonAdd a new layer below labelsAdd a GeoJSON lineDraw GeoJSON pointsAdd a GeoJSON polygonCreate a heatmap layerAdd hillshadingCreate a gradient line using an expressionAdd multiple geometries from one GeoJSON sourceStyle ocean depth dataShow and hide layersChange worldview of administrative boundariesUpdate a choropleth layer by zoom levelVariable label placementVisualize population densitySources (10)Add a canvas sourceJoin local JSON data with vector tile geometriesAdd an imageAdd live realtime dataUpdate a feature in realtimeAdd a raster tile sourceAdd a third party vector tile sourceAdd a vector tile sourceAdd a videoAdd a WMS sourceUser interaction (20)Animate 3D buildings based on ambient soundsDisable map rotationCreate a draggable MarkerCreate a draggable pointFilter features within map viewFilter symbols by text inputFilter symbols by toggling a listCreate a hover effectDisplay a non-interactive mapChange a map's languageMeasure distancesGet coordinates of the mouse pointerHighlight features containing similar dataSelect features around a clicked pointGet features under the mouse pointerRestrict map panning to an areaCreate a time sliderToggle interactionsFit to the bounds of a LineStringHighlight features within a bounding boxCamera (11)Animate map camera around a pointAnimate a point along a routeCenter the map on a clicked symbolFit a map to a bounding boxSlowly fly to a locationNavigate the map with game-like controlsJump to a series of locationsPlay map locations as a slideshowFly to a location based on scroll positionSet pitch and bearingFly to a locationControls and overlays (17)Animate a markerChange the default position for attributionAdd custom icons with MarkersDisable scroll zoomView a fullscreen mapLocate the userSwipe between mapsDisplay driving directionsShow drawn polygon areaAdd a geocoderAdd a marker using a place nameDisplay map navigation controlsShow polygon information on clickDisplay a popup on clickDisplay a popup on hoverDisplay a popupAttach a popup to a marker instanceGeocoder (8)Use a custom render function with a geocoderAccept coordinates as input to a geocoderLimit geocoder results to a named regionPlace the geocoder input outside the mapLocalize the geocoder to a given languageUse a custom camera animation with a geocoderSet a point after Geocoder resultSupplement forward geocoding search results from another data sourceBrowser support (1)Check for browser supportInternationalization support (2)Use locally generated ideographsAdd support for right-to-left scripts

Display a popup on hover

When a user hovers over a symbol, show a Popup containing more information.

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Display a popup on hover</title>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="https://api.mapbox.com/mapbox-gl-js/v1.9.0/mapbox-gl.js"></script>
<link href="https://api.mapbox.com/mapbox-gl-js/v1.9.0/mapbox-gl.css" rel="stylesheet" />
<style>
body { margin: 0; padding: 0; }
#map { position: absolute; top: 0; bottom: 0; width: 100%; }
</style>
</head>
<body>
<style>
.mapboxgl-popup {
max-width: 400px;
font: 12px/20px 'Helvetica Neue', Arial, Helvetica, sans-serif;
}
</style>
<div id="map"></div>
<script>
mapboxgl.accessToken = '<your access token here>';
var map = new mapboxgl.Map({
container: 'map',
style: 'mapbox://styles/mapbox/streets-v11',
center: [-77.04, 38.907],
zoom: 11.15
});
map.on('load', function() {
map.addSource('places', {
'type': 'geojson',
'data': {
'type': 'FeatureCollection',
'features': [
{
'type': 'Feature',
'properties': {
'description':
'<strong>Make it Mount Pleasant</strong><p>Make it Mount Pleasant is a handmade and vintage market and afternoon of live entertainment and kids activities. 12:00-6:00 p.m.</p>',
'icon': 'theatre'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.038659, 38.931567]
}
},
{
'type': 'Feature',
'properties': {
'description':
'<strong>Mad Men Season Five Finale Watch Party</strong><p>Head to Lounge 201 (201 Massachusetts Avenue NE) Sunday for a Mad Men Season Five Finale Watch Party, complete with 60s costume contest, Mad Men trivia, and retro food and drink. 8:00-11:00 p.m. $10 general admission, $20 admission and two hour open bar.</p>',
'icon': 'theatre'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.003168, 38.894651]
}
},
{
'type': 'Feature',
'properties': {
'description':
'<strong>Big Backyard Beach Bash and Wine Fest</strong><p>EatBar (2761 Washington Boulevard Arlington VA) is throwing a Big Backyard Beach Bash and Wine Fest on Saturday, serving up conch fritters, fish tacos and crab sliders, and Red Apron hot dogs. 12:00-3:00 p.m. $25.grill hot dogs.</p>',
'icon': 'bar'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.090372, 38.881189]
}
},
{
'type': 'Feature',
'properties': {
'description':
'<strong>Ballston Arts & Crafts Market</strong><p>The Ballston Arts & Crafts Market sets up shop next to the Ballston metro this Saturday for the first of five dates this summer. Nearly 35 artists and crafters will be on hand selling their wares. 10:00-4:00 p.m.</p>',
'icon': 'art-gallery'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.111561, 38.882342]
}
},
{
'type': 'Feature',
'properties': {
'description':
"<strong>Seersucker Bike Ride and Social</strong><p>Feeling dandy? Get fancy, grab your bike, and take part in this year's Seersucker Social bike ride from Dandies and Quaintrelles. After the ride enjoy a lawn party at Hillwood with jazz, cocktails, paper hat-making, and more. 11:00-7:00 p.m.</p>",
'icon': 'bicycle'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.052477, 38.943951]
}
},
{
'type': 'Feature',
'properties': {
'description':
'<strong>Capital Pride Parade</strong><p>The annual Capital Pride Parade makes its way through Dupont this Saturday. 4:30 p.m. Free.</p>',
'icon': 'star'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.043444, 38.909664]
}
},
{
'type': 'Feature',
'properties': {
'description':
'<strong>Muhsinah</strong><p>Jazz-influenced hip hop artist Muhsinah plays the Black Cat (1811 14th Street NW) tonight with Exit Clov and Gods’illa. 9:00 p.m. $12.</p>',
'icon': 'music'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.031706, 38.914581]
}
},
{
'type': 'Feature',
'properties': {
'description':
"<strong>A Little Night Music</strong><p>The Arlington Players' production of Stephen Sondheim's <em>A Little Night Music</em> comes to the Kogod Cradle at The Mead Center for American Theater (1101 6th Street SW) this weekend and next. 8:00 p.m.</p>",
'icon': 'music'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.020945, 38.878241]
}
},
{
'type': 'Feature',
'properties': {
'description':
'<strong>Truckeroo</strong><p>Truckeroo brings dozens of food trucks, live music, and games to half and M Street SE (across from Navy Yard Metro Station) today from 11:00 a.m. to 11:00 p.m.</p>',
'icon': 'music'
},
'geometry': {
'type': 'Point',
'coordinates': [-77.007481, 38.876516]
}
}
]
}
});
// Add a layer showing the places.
map.addLayer({
'id': 'places',
'type': 'symbol',
'source': 'places',
'layout': {
'icon-image': '{icon}-15',
'icon-allow-overlap': true
}
});
// Create a popup, but don't add it to the map yet.
var popup = new mapboxgl.Popup({
closeButton: false,
closeOnClick: false
});
map.on('mouseenter', 'places', function(e) {
// Change the cursor style as a UI indicator.
map.getCanvas().style.cursor = 'pointer';
var coordinates = e.features[0].geometry.coordinates.slice();
var description = e.features[0].properties.description;
// Ensure that if the map is zoomed out such that multiple
// copies of the feature are visible, the popup appears
// over the copy being pointed to.
while (Math.abs(e.lngLat.lng - coordinates[0]) > 180) {
coordinates[0] += e.lngLat.lng > coordinates[0] ? 360 : -360;
}
// Populate the popup and set its coordinates
// based on the feature found.
popup
.setLngLat(coordinates)
.setHTML(description)
.addTo(map);
});
map.on('mouseleave', 'places', function() {
map.getCanvas().style.cursor = '';
popup.remove();
});
});
</script>
</body>
</html>
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