+----------------+
                         |                |
                         |   Web Server   |
                         |                |
                         +----------------+
                             ^        ^
                            /          \
                    HTTP   /            \   HTTP
                          /              \
                         /                \
                        v                  v
                     JS API              JS API
               +-----------+            +-----------+
               |           |    Media   |           |
               |  Browser  |<---------->|  Browser  |
               |           |            |           |
               +-----------+            +-----------+