> look at parents only when event bubbles Dispatching a `MouseEvent("click", {bubbles: false})` will cause activation behavior on a parent. Per the spec [here](https://dom.spec.whatwg.org/#ref-for-dom-event-bubbles%E2%91%A4) this is not the correct behavior. A fix might be to add a check for `aVisitor.mEvent->mFlags.mBubbles` [here](https://searchfox.org/mozilla-central/source/dom/html/HTMLInputElement.cpp#3110).
Bug 1658996 Comment 3 Edit History
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> look at parents only when event bubbles Dispatching a `MouseEvent("click", {bubbles: false})` will cause activation behavior on a parent. Per the spec [here](https://dom.spec.whatwg.org/#ref-for-dom-event-bubbles%E2%91%A4) this is not the correct behavior.
> look at parents only when event bubbles Dispatching a `MouseEvent("click", {bubbles: false})` will cause activation behavior on a parent, as there is no check for `mBubbles` around the activation behavior in `GetEventTargetParent` e.g. [here](https://searchfox.org/mozilla-central/source/dom/html/HTMLInputElement.cpp#3109). Per the spec [here](https://dom.spec.whatwg.org/#ref-for-dom-event-bubbles%E2%91%A4) this is not the correct behavior.