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leaflet

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leaflet

JavaScript library for mobile-friendly interactive maps

  • 1.9.4
  • latest
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  • npm
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Version published
Weekly downloads
1.2M
decreased by-6.66%
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5
Weekly downloads
 
Created

What is leaflet?

Leaflet is a widely used open-source JavaScript library that helps you create mobile-friendly interactive maps. It provides features that allow users to embed maps into web pages, add various types of layers, markers, popups, and handle user interactions with the map.

What are leaflet's main functionalities?

Map Initialization

This code initializes a new map in the 'mapid' HTML element and sets the view to a specific latitude and longitude and a zoom level.

var map = L.map('mapid').setView([51.505, -0.09], 13);

Tile Layer

This code adds a tile layer to the map using OpenStreetMap tiles. It sets the maximum zoom level and adds attribution text.

L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
  maxZoom: 19,
  attribution: '© OpenStreetMap contributors'
}).addTo(map);

Markers

This code places a marker on the map at the specified latitude and longitude.

var marker = L.marker([51.5, -0.09]).addTo(map);

Popups

This code binds a popup with some HTML content to the previously created marker and opens it.

marker.bindPopup('<b>Hello world!</b><br>I am a popup.').openPopup();

GeoJSON

This code adds a GeoJSON layer to the map. The 'geojsonData' variable should contain valid GeoJSON.

L.geoJSON(geojsonData).addTo(map);

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Package last updated on 18 May 2023

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