The read-only hasBeenActive property of the UserActivation interface indicates whether the current window has sticky user activation (see sticky activation).

A boolean.

Use the hasBeenActive property to check whether the user has ever interacted with the page.

if (navigator.userActivation.hasBeenActive) {
  // proceed with auto-playing an animation, for example
}

• UserActivation
• UserActivation.isActive
• Features gated by user activation