{"source_file":"webextensions/api/tabs.json","support":{"chrome":{"version_added":"43"},"edge":{"version_added":"79"},"firefox":[{"version_added":"110"},{"notes":"Returns 1, regardless of the default zoom factor setting.","partial_implementation":true,"version_added":"45"}],"firefox_android":{"version_added":false},"opera":{"version_added":"30"},"safari":{"version_added":false},"safari_ios":{"version_added":false}}}