Your background script is also like a web-page, invisible running in the background all the time - well, in Manifest V3 and with persistent set to false it will also be killed and awaken when needed - for example when the Alarm will fire.
Your background script is also like a web-page, invisible running in the background all the time - well, in Manifest V3 and with persistent set to false it will also be killed and awaken when needed - for example when the Alarm will fire.