Statements (27)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Web API Event
|
| gptkbp:bubbles |
false
|
| gptkbp:builtBy |
BeforeUnloadEvent()
|
| gptkbp:canBeCanceled |
true
|
| gptkbp:cancelable |
true
|
| gptkbp:composer |
false
|
| gptkbp:defaultAction |
Prompt user before leaving page
|
| gptkbp:definedIn |
gptkb:HTML_Living_Standard
|
| gptkbp:eventTarget |
Window
|
| https://www.w3.org/2000/01/rdf-schema#label |
BeforeUnloadEvent
|
| gptkbp:inheritsFrom |
gptkb:event
|
| gptkbp:introducedIn |
gptkb:HTML5
|
| gptkbp:MDNReference |
https://developer.mozilla.org/en-US/docs/Web/API/BeforeUnloadEvent
|
| gptkbp:partOf |
gptkb:Web_APIs
|
| gptkbp:property |
returnValue
|
| gptkbp:relatedEvent |
unload
|
| gptkbp:specifies |
https://html.spec.whatwg.org/multipage/browsers.html#beforeunloadevent
|
| gptkbp:supportedBy |
gptkb:Internet_Explorer
gptkb:Edge gptkb:Safari gptkb:Firefox gptkb:Chrome |
| gptkbp:type |
beforeunload
|
| gptkbp:usedFor |
handling page unload
|
| gptkbp:bfsParent |
gptkb:DOM4_specification
gptkb:dart:html |
| gptkbp:bfsLayer |
7
|