![]() ![]() If you read the value of in the callback of, you would have noticed that you're trying to insert the script in the wrong window.Īfter changing the "tabId" to "tabID", the test case works as expected. Subscribe 26K views 4 years ago Web Tutorials Enable developer mode on Chrome to edit your extensions or modify extensions that you like. Enable Developer Mode by clicking the switch. Since you cannot script the developer tools, nothing appears to happen. Enter the name of the Google Chrome Extension for which you are searching. When the devtools are undocked, the current window is the devtools. When the developer tools is undocked, this tab is (coincidentally) identical to the inspected tab, so you did not notice the error. When the Chrome OS is missing or damaged. Step 2: Click on Three Dots at the top right, and then click on. Press and hold the Esc key, refresh key, and the power button simultaneously. He onMessage event listener in your event page expects the tab ID to be available as message.tabId: (message.tabId,) īecause message.tabId is undefined in the event page, Chrome defaults to inserting the content script in the active tab of the current window. The Developer Tools is a pane that opens in the Chrome window and gives you various information about the current tab. Before you start taking these corrective measures, it is very important that you check the volume bar on your computer and make sure it is not silent. How to Open the Chrome Developers Tools in a New Window Step 1: Open Chrome web browser. The test case of your bug report contains a typo. ![]()
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