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LibWeb: Add EventTarget::has_event_listener(FlyString type)

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This returns true if the EventTarget has one or more registered
listeners for a given even type.
This commit is contained in:
Andreas Kling 2022-10-24 14:56:29 +02:00
parent 51579810bd
commit e0a08f2ab0
2 changed files with 11 additions and 0 deletions
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2
Userland/Libraries/LibWeb/DOM/EventTarget.h
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@ -54,6 +54,8 @@ public:
WebIDL::CallbackType* event_handler_attribute(FlyString const& name);
void set_event_handler_attribute(FlyString const& name, WebIDL::CallbackType*);
bool has_event_listener(FlyString const& type) const;
protected:
explicit EventTarget(JS::Realm&);