"A listener indicated an asynchronous response by returning true, but the message channel closed before a response was received", What does that mean?

In some cases (particularly for void methods) it is useful to check that a specific call has been received by a substitute. This can be checked using the Received() extension method, …

Jun 19, 2018 · // background.js browser.runtime.onMessage.addListener(onMessage); function onMessage(message) { console.log("background: onMessage", message); // 1: Causes the …

Mar 4, 2019 · This page discusses the error "Unchecked runtime.lastError: The message port closed before a response was received" and provides solutions for Google Chrome users.

Jan 3, 2019 · // content.js const package = await chrome.runtime.sendMessage({param: ...}) console.log(package) // background.js chrome.runtime.onMessage.addListener(async …

Jun 27, 2023 · How to investigate what happened to the email that was sent via SES but was never received in recipient inbox Amazon Simple Email Service (SES) is an email platform that …

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