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Bug 1334051 - Part 2: Invoke attributeChangedCallback only if attribute name is in the observed attribute list.

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We call attributeChangedCallback in two cases:

1. When any of the attributes in the observed attribute list has changed, appended, removed, or replaced.

2. When upgrading an element, for each attribute in element's attribute list that is in the observed attribute list.

Note: w/ Fixup for not implementing an API Enhancement Bug 1363481.

Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-05 12:13:14 -05:00 • committed by Roy Tam
commit 2bd8be69ea
10 changed files with 222 additions and 71 deletions
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14
testing/web-platform/meta/custom-elements/htmlconstructor/newtarget.html.ini Normal file
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@ -0,0 +1,14 @@
[newtarget.html]
type: testharness
[Use NewTarget's prototype, not the one stored at definition time]
expected: FAIL
[Rethrow any exceptions thrown while getting the prototype]
expected: FAIL
[If prototype is not object, derives the fallback from NewTarget's realm (autonomous custom elements)]
expected: FAIL
[If prototype is not object, derives the fallback from NewTarget's realm (customized built-in elements)]
expected: FAIL