reviews Get a Maps Demo Key: Try out select Maps JavaScript API and Places UI Kit features at no cost with a Maps Demo Key—no billing information required. Home Products Google Maps Platform Web Maps JavaScript API Send feedback Tutorials Stay organized with collections Save and categorize content based on your preferences. Page Summary outlined_flag This section provides tutorials on basic Google Maps JavaScript API implementations, such as adding maps and markers using HTML or JavaScript. Learn to display a user's location, manage a large number of markers through clustering, and personalize the map with custom markers and legends. Explore advanced features like creating interactive heatmaps using Firebase for real-time collaborative mapping experiences. This section features several tutorials to get you up and running with Maps JavaScript API. Add a Google map with a marker using HTML Add a map with a marker to a web page using only HTML. Add a Google Map with a marker using JavaScript Add a map with a marker to a web page programmatically. Show current location Get the geographic location of a device on a Google map, using your browser's HTML5 Geolocation feature along with Maps JavaScript API. Cluster markers Use marker clustering to display a large number of markers on a map. Custom markers Create markers using custom graphic icons. Custom legends Add a custom legend to your maps. Send feedback