View local GeoJSON
Download example GeoJSON here. Instead of uploading the file to a server and reading it from there, it is accessed locally by the browser without any network transfer. If you also want to write to the opened file, see example with File System Access API.
View local GeoJSON (experimental)Example
View local GeoJSON with experimental File System Access API.
GeoJSON multiGeometry layerExample
This tutorial shows how to add a GeoJSON multiGeometry overlay to the map.