Leaflet – "an open-source JavaScript library for mobile-friendly interactive maps"

• References:
  1. Leaflet official website [Link]
  2. Tutorials [Link]
  3. Documentation [Link]
  4. Plugins [Link]
• Lab_12_geoserver_request_wms
  1. Lab_12_A (World, USA)
     • A1
     • A2
     • A3
     • A4
     • A5
     • A6
  2. Lab_12_B (Taiwan area)
     • B1
     • B2
     • B3
     • B4
     • B5
  3. Lab_12_H (Hong Kong area)
     • H1
     • H2
     • H3