chrome.runtime.onInstalled.addListener((details) => { if (details.reason === "install") { chrome.tabs.create({ url: chrome.runtime.getURL("/pages/downloaded.html"), }); } else if (details.reason === "update") { chrome.tabs.create({ url: chrome.runtime.getURL("/pages/update.html") }); } }); // Set a URL to open when the extension is uninstalled chrome.runtime.setUninstallURL("https://forms.gle/DSq58Lb9vBMjq6pT9");