JavaScript Difference between runtime.sendMessage and port.postMessage difference between runtime and compile time,difference between runtime and

I am working on a Chrome extension and about to implement some message passing between my background page and the content script, it will require about 3 messages (content -> background -> content -> background) which all occur in a synchronized order.

I'm not sure what message passing API i should use for this since i don't really understand the difference between the Port API and the normal chrome.runtime API. is there something i can't do with the runtime.sendmessage that i can do with the Port.postMessage? any major differences that might make me choose one over the other?

Answer:1

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