Multiple BLE5.0 Device Get Value

[pinyu911]

I have 3 Arduino nano 33 ble sense
I want to get value of acceleration on arduino through web bluetooth at same time

I want to combine this three link's code, but I have no idea
https://beaufortfrancois.github.io/sandbox/web-bluetooth/generator/
https://gist.github.com/beaufortfrancois/951fc384e87a786a6d35
https://github.com/beaufortfrancois/sandbox/blob/gh-pages/web-bluetooth/multiple-devices/index.html

Please help me
Thank you