Please see this related question for a background to this:
How can I load a shared web worker with a user-script?
With that question in mind, I want to explo
What are you trying to achieve using
SharedWorker
?to pass messages between pages from the same domain without having to set a constant interval to check if a local storage variable had changed.
You can use storage
event to communicate messages between tabs at same origin
At index.html
open b.html
b.html
plnkr http://plnkr.co/edit/4nR7Rpu4zXSgTR831vQW?p=preview