Function openWebSocket

openWebSocket(url: string): HSWebSocket | null
Open a WebSocket connection to the given URL. The connection begins immediately. Use the returned object's chainable setter methods to register event callbacks. The connection is automatically closed when hs.reload() is called or the engine shuts down.
Parameters
- url: string
  The WebSocket URL (ws:// or wss://).
Returns HSWebSocket | null
An HSWebSocket object, or null if the URL is invalid.