Web IDE does not connect with 8266 NodeMCU v.3

This has been flashed with

VERSION: "2v04",
  GIT_COMMIT: "3956264e",
  BOARD: "ESP8266_4MB",
  FLASH: 0, RAM: 81920,
  SERIAL: "dc4f227e-3bcd",
  CONSOLE: "Telnet",
  MODULES: "Flash,Storage,hea" ... "r,crypto,neopixel",
  EXPTR: 1073643636

Able to connect and set up Wifi using:

screen /dev/tty.wchusbserial1460 115200

as well as "nc" over Wifi:

nc 192.168.0.19 23

However, on a Mac Mojave Chrome, the serial connection does not show (baud rate changed to 115200):

Handling URL "https://www.espruino.com/ide/#"
WARNING: Unknown config type 'bool' for Config.SERIAL_FLOW_CONTROL
No navigator.serial - Web Serial not enabled
Couldn't connect to wss://localhost:31234 - disabling websockets for this session
ERROR: serial_frame: getPorts timeout, disabling
ERROR: getURL("/serial/ports") error : 
/serial/ports doesn't exist - disabling WebSocket support
ERROR: getURL("/serial/ports") error : 
/serial/ports doesn't exist - disabling WebSocket support
>>> Connecting...
Set Slow Write = true
BT> ERROR: NotFoundError: User cancelled the requestDevice() chooser.
ERROR: [notify_error] Connection Failed.
>>> Connection Failed.
WARNING: Unknown config type 'bool' for Config.SERIAL_FLOW_CONTROL
Config.SERIAL_IGNORE => 
Config.SET_TIME_ON_WRITE => true

Also can't connect via Wifi.

Is there a Chrome setting I'm missing?

I won't mind pasting code using "screen" however I don't know how to include "require"d modules if not already included.

Based on the error message No navigator.serial - Web Serial not enabled I guess you are not using the "installed" chrome app. Try to install it: https://chrome.google.com/webstore/detail/espruino-web-ide/bleoifhkdalbjfbobjackfdifdneehpo and that should have access to the serial port.

Thanks - I am now running the Chrome app. When I try to connect, both "TCP/IP" and serial ports show up.

When I tried to connect to /dev/wcusbserial, I could see the Espruino respond but the "Select a port ..." panel does not go away.

(In the Console, it still shows No navigator.serial even though the IDE could see the serial ports now.)

I also tried unsuccessfully to connect over Wifi. The 'port' is available but the IDE cannot connect to it.

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Are you working offline?

No ... I'm on the network if that's what you mean.

I am now able to connect by Wifi! That gets me going without resorting to serial. Thanks.

Ok, so it might be a OS / serial driver issue.
Just to add: Telnet connection is much faster than serial connection - have fun.