Auto merge of #22100 - Eijebong:once, r=jdm

Implement AddEventListenerOptions: once

Fixes #13242

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bors-servo 2018-12-22 11:35:44 -05:00 committed by GitHub
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5 changed files with 27 additions and 15 deletions

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[AddEventListenerOptions-once.html]
type: testharness
bug: https://github.com/servo/servo/issues/13242
[Once listener should be invoked only once]
expected: FAIL
[Once listener should be invoked only once even if the event is nested]
expected: FAIL
[Once listener should be added / removed like normal listeners]
expected: FAIL