pinned- Type: boolean
- This attribute is set to
trueif the tab has been pinned (that is, if it's an app tab). Thetabbrowserelement'spinTabandunpinTabmethods handle pinning and unpinning tabs.
pinned true if the tab has been pinned (that is, if it's an app tab). The tabbrowser element's pinTab and unpinTab methods handle pinning and unpinning tabs.