it _is_ needed : https://treeherder.mozilla.org/#/jobs?repo=try&revision=78a5988726fa97768d5991eaf04bf5f19512fd45 Our guess about the event listeners callback being called right away if the tooltip is shown from a click was right for Windows and Linux.
Bug 1617919 Comment 1 Edit History
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it _is_ needed : https://treeherder.mozilla.org/#/jobs?repo=try&revision=78a5988726fa97768d5991eaf04bf5f19512fd45 Our guess about the event listeners callback being called right away if the tooltip is shown from a click was right for Windows and Linux. I'll add a comment before the setTimeout in the patch I'm currently working on.