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Introduce "remove all event listeners" primitive #641

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Apr 30, 2018
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Introduce "remove all event listeners" primitive #641

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f3835c7
Introduce "remove an event listener" primitive
annevk Apr 27, 2018
4b7bb04
add remove all listeners: rationale: don't want other specs poking at…
annevk Apr 27, 2018
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18 changes: 15 additions & 3 deletions dom.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -1101,6 +1101,19 @@ method, when invoked, must run these steps:
<var>once</var>.
</ol>

<p>To <dfn>remove an event listener</dfn>, given an {{EventTarget}} object <var>eventTarget</var>
and an <a>event listener</a> <var>listener</var>, set <var>listener</var>'s
<a for="event listener">removed</a> to true and <a for=list>remove</a> <var>listener</var> from
<var>eventTarget</var>'s <a for=EventTarget>event listener list</a>.
<!-- Intentionally not exported. -->

<p>To <dfn export>remove all event listeners</dfn>, given an {{EventTarget}} object
<var>eventTarget</var>, <a for=list>for each</a> <var>listener</var> of <var>eventTarget</var>'s
<a for=EventTarget>event listener list</a>, <a>remove an event listener</a> with
<var>eventTarget</var> and <var>listener</var>.

<p class="note">HTML needs this to define <code>document.open()</code>. [[HTML]]

<p>The
<dfn method for=EventTarget><code>removeEventListener(<var>type</var>, <var>callback</var>, <var>options</var>)</code></dfn>
method, when invoked, must run these steps:
Expand All @@ -1117,9 +1130,8 @@ method, when invoked, must run these steps:
<li><p>If the <a>context object</a>'s <a for=EventTarget>event listener list</a>
<a for=list>contains</a> an <a>event listener</a> whose <a for="event listener">type</a> is
<var>type</var>, <a for="event listener">callback</a> is <var>callback</var>, and
<a for="event listener">capture</a> is <var>capture</var>, then set that <a>event listener</a>'s
<a for="event listener">removed</a> to true and <a for=list>remove</a> it from the
<a>context object</a>'s <a for=EventTarget>event listener list</a>.
<a for="event listener">capture</a> is <var>capture</var>, then <a>remove an event listener</a>
with the <a>context object</a> and that <a>event listener</a>.
</ol>

<p>The <dfn method for=EventTarget><code>dispatchEvent(<var>event</var>)</code></dfn> method, when
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