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Always send a notification on the first frame after observe(). #192

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Jan 20, 2017
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Always send a notification on the first frame after observe(). #192

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4 changes: 2 additions & 2 deletions index.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -228,7 +228,7 @@ interface IntersectionObserver {
2. Let |intersectionObserverRegistration| be
an {{IntersectionObserverRegistration}} record
with an {{IntersectionObserverRegistration/observer}} property set to |this|
and a {{IntersectionObserverRegistration/previousThresholdIndex}} property set to <code>0</code>.
and a {{IntersectionObserverRegistration/previousThresholdIndex}} property set to <code>-1</code>.
3. Append |intersectionObserverRegistration|
to |target|'s internal {{[[RegisteredIntersectionObservers]]}} slot.
4. Add |target| to |this|'s internal {{[[ObservationTargets]]}} slot.
Expand Down Expand Up @@ -489,7 +489,7 @@ This list holds <dfn interface>IntersectionObserverRegistration</dfn> records,
which have an <dfn attribute for=IntersectionObserverRegistration>observer</dfn> property
holding an {{IntersectionObserver}}
and a <dfn attribute for=IntersectionObserverRegistration>previousThresholdIndex</dfn> property
holding a number between 0 and the length of the observer's {{IntersectionObserver/thresholds}} property (inclusive).
holding a number between -1 and the length of the observer's {{IntersectionObserver/thresholds}} property (inclusive).

<h4 id='intersection-observer-private-slots'>
IntersectionObserver</h4>
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6 changes: 3 additions & 3 deletions index.html
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Expand Up @@ -253,7 +253,7 @@
<header>
<p data-fill-with="logo"><a href="https://www.w3.org/"><img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2016/logos/W3C" width="72"></a> </p>
<h1 class="p-name no-ref" id="title">Intersection Observer 1</h1>
<h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Editor’s Draft, <time class="dt-updated" datetime="2017-01-19">19 January 2017</time></span></h2>
<h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Editor’s Draft, <time class="dt-updated" datetime="2017-01-20">20 January 2017</time></span></h2>
</header>
<div data-fill-with="spec-metadata">
<dl>
Expand Down Expand Up @@ -499,7 +499,7 @@ <h3 class="heading settled" data-level="2.2" id="intersection-observer-interface
<li data-md="">
<p>Let <var>intersectionObserverRegistration</var> be
an <code class="idl"><a data-link-type="idl" href="#intersectionobserverregistration" id="ref-for-intersectionobserverregistration-1">IntersectionObserverRegistration</a></code> record
with an <code class="idl"><a data-link-type="idl" href="#dom-intersectionobserverregistration-observer" id="ref-for-dom-intersectionobserverregistration-observer-1">observer</a></code> property set to <var>this</var> and a <code class="idl"><a data-link-type="idl" href="#dom-intersectionobserverregistration-previousthresholdindex" id="ref-for-dom-intersectionobserverregistration-previousthresholdindex-1">previousThresholdIndex</a></code> property set to <code>0</code>.</p>
with an <code class="idl"><a data-link-type="idl" href="#dom-intersectionobserverregistration-observer" id="ref-for-dom-intersectionobserverregistration-observer-1">observer</a></code> property set to <var>this</var> and a <code class="idl"><a data-link-type="idl" href="#dom-intersectionobserverregistration-previousthresholdindex" id="ref-for-dom-intersectionobserverregistration-previousthresholdindex-1">previousThresholdIndex</a></code> property set to <code>-1</code>.</p>
<li data-md="">
<p>Append <var>intersectionObserverRegistration</var> to <var>target</var>’s internal <code class="idl"><a data-link-type="idl" href="#dom-element-registeredintersectionobservers-slot" id="ref-for-dom-element-registeredintersectionobservers-slot-1">[[RegisteredIntersectionObservers]]</a></code> slot.</p>
<li data-md="">
Expand Down Expand Up @@ -745,7 +745,7 @@ <h4 class="heading settled" data-level="3.1.2" id="element-private-slots"><span
This list holds <dfn class="dfn-paneled idl-code" data-dfn-type="interface" data-export="" id="intersectionobserverregistration">IntersectionObserverRegistration</dfn> records,
which have an <dfn class="dfn-paneled idl-code" data-dfn-for="IntersectionObserverRegistration" data-dfn-type="attribute" data-export="" id="dom-intersectionobserverregistration-observer">observer</dfn> property
holding an <code class="idl"><a data-link-type="idl" href="#intersectionobserver" id="ref-for-intersectionobserver-16">IntersectionObserver</a></code> and a <dfn class="dfn-paneled idl-code" data-dfn-for="IntersectionObserverRegistration" data-dfn-type="attribute" data-export="" id="dom-intersectionobserverregistration-previousthresholdindex">previousThresholdIndex</dfn> property
holding a number between 0 and the length of the observer’s <code class="idl"><a data-link-type="idl" href="#dom-intersectionobserver-thresholds" id="ref-for-dom-intersectionobserver-thresholds-2">thresholds</a></code> property (inclusive).</p>
holding a number between -1 and the length of the observer’s <code class="idl"><a data-link-type="idl" href="#dom-intersectionobserver-thresholds" id="ref-for-dom-intersectionobserver-thresholds-2">thresholds</a></code> property (inclusive).</p>
<h4 class="heading settled" data-level="3.1.3" id="intersection-observer-private-slots"><span class="secno">3.1.3. </span><span class="content"> IntersectionObserver</span><a class="self-link" href="#intersection-observer-private-slots"></a></h4>
<p><code class="idl"><a data-link-type="idl" href="#intersectionobserver" id="ref-for-intersectionobserver-17">IntersectionObserver</a></code> objects have internal <dfn class="dfn-paneled idl-code" data-dfn-for="IntersectionObserver" data-dfn-type="attribute" data-export="" id="dom-intersectionobserver-queuedentries-slot">[[QueuedEntries]]</dfn> and <dfn class="dfn-paneled idl-code" data-dfn-for="IntersectionObserver" data-dfn-type="attribute" data-export="" id="dom-intersectionobserver-observationtargets-slot">[[ObservationTargets]]</dfn> slots,
which are initialized to empty lists and an internal <dfn class="dfn-paneled idl-code" data-dfn-for="IntersectionObserver" data-dfn-type="attribute" data-export="" id="dom-intersectionobserver-callback-slot">[[callback]]</dfn> slot
Expand Down