web api instance property
HTMLDetailsElement: open property
The open property of the
HTMLDetailsElement interface is a boolean value reflecting the
open HTML attribute, indicating whether the <details>’s contents (not counting the <summary>) is to be shown to the user.
Value
A boolean value.
The boolean value represents the state of the open HTML attribute. The value of true means it is set with both the summary and the additional information shown to the user. The false value means it not set, with only the summary shown.
Specifications
SpecificationsStandards references are available on the canonical MDN page.
Browser compatibility
Browser compatibilityCompatibility data is available on the canonical MDN page.