Networking Web API Demonstrations

Perform asynchronous HTTP network requests with promise-based fetch().

Inspect and construct HTTP Request objects including mode, credentials, and headers.

Construct synthetic HTTP Response instances with custom status codes and streams.

Manipulate HTTP header key-value maps with get, set, append, and delete methods.

Construct key/value payload pairs representing form fields and binary files.

Parse, construct, and validate absolute URLs, protocols, ports, and pathnames.

Utility methods to work with the query string of a URL.

Match URLs against standardized pattern templates using wildcard path segments.

Establish persistent two-way interactive communication sessions between browser and server.

Receive real-time Server-Sent Events over HTTP connection.

Low-latency bidirectional client-server streaming over HTTP/3 / QUIC protocols.

Inspect connection connection type (4g/wifi), effective type, and saveData settings.