Leaflet-Simple Maps API uses javascript

Leaflet-Simple Maps API

Leaflet is the leading open-source JavaScript library for mobile-friendly interactive maps. Weighing just about 33 KB of JS, it has all the mapping features most developers ever need.
Leaflet is designed with simplicity, performance and usability in mind. It works efficiently across all major desktop and mobile platforms, can be extended with lots of plugins, has a beautiful, easy to use and well-documented APIand a simple, readable source code that is a joy to contribute to.

Map

• Usage example
• Creation
• Options
• Events

Map Methods

• Modifying map state
• Getting map state
• Layers and controls
• Conversion methods
• Other methods

Map Misc

• Properties
• Panes

UI Layers

• Marker
• Popup

Raster Layers

• TileLayer
• TileLayer.WMS
• TileLayer.Canvas
• ImageOverlay

Vector Layers

• Path
• Polyline
• MultiPolyline
• Polygon
• MultiPolygon
• Rectangle
• Circle
• CircleMarker

Other Layers

• LayerGroup
• FeatureGroup
• GeoJSON

Basic Types

• LatLng
• LatLngBounds
• Point
• Bounds
• Icon
• DivIcon

Controls

• Control
• Zoom
• Attribution
• Layers
• Scale

Events

• Event methods
• Event objects

Utility

• Class
• Browser
• Util
• Transformation
• LineUtil
• PolyUtil

DOM Utility

• DomEvent
• DomUtil
• PosAnimation
• Draggable

Interfaces

• IHandler
• ILayer
• IControl
• IProjection
• ICRS

Misc

• global switches
• noConflict
• version

In my observation These are basic leaflet tutorials...