[html5] r8086 - [giow] (0) New argument to onerror: the Error object itself. Affected topics: HT [...]
whatwg at whatwg.org
whatwg at whatwg.org
Wed Jul 24 11:50:54 PDT 2013
Author: ianh
Date: 2013-07-24 11:50:53 -0700 (Wed, 24 Jul 2013)
New Revision: 8086
Modified:
complete.html
index
source
Log:
[giow] (0) New argument to onerror: the Error object itself.
Affected topics: HTML, Workers
Modified: complete.html
===================================================================
--- complete.html 2013-07-24 18:00:48 UTC (rev 8085)
+++ complete.html 2013-07-24 18:50:53 UTC (rev 8086)
@@ -71776,6 +71776,11 @@
<a href=#fingerprinting-vector class=fingerprint title="fingerprinting vector"><img src=http://images.whatwg.org/fingerprint.png width=46 alt="(This is a fingerprinting vector.)" height=64></a>
</li>
+ <li><p>Let <var title="">error object</var> be the object that represents the error: in the case
+ of an uncaught exception, that would be the object that was thrown; in the case of a JavaScript
+ error that would be an <code>Error</code> object. If there is no corresponding object, then the
+ null value must be used instead.</li>
+
<li>
<p>Let <var title="">location</var> be an <a href=#absolute-url>absolute URL</a> that corresponds to the
@@ -71803,7 +71808,7 @@
</li>
- <li><p>If <var title="">script</var> has <a href=#muted-errors>muted errors</a>, then set <var title="">message</var> to "<code title="">Script error.</code>", set <var title="">location</var> to the empty string, and set <var title="">line</var> and <var title="">col</var> to 0.</li>
+ <li><p>If <var title="">script</var> has <a href=#muted-errors>muted errors</a>, then set <var title="">message</var> to "<code title="">Script error.</code>", set <var title="">location</var> to the empty string, set <var title="">line</var> and <var title="">col</var> to 0, and set <var title="">error object</var> to null.</li>
<li><p>Let <var title="">event</var> be a new <a href=#concept-events-trusted title=concept-events-trusted>trusted</a> <code><a href=#errorevent>ErrorEvent</a></code> object that does not
bubble but is cancelable, and which has the event name <code title=event-error>error</code>.</li>
@@ -71816,6 +71821,8 @@
<li><p>Initialize <var title="">event</var>'s <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code> attribute to <var title="">col</var>.</li>
+ <li><p>Initialize <var title="">event</var>'s <code title=dom-ErrorEvent-object>error</code> attribute to <var title="">error object</var>.</li>
+
<li><p><a href=#concept-event-dispatch title=concept-event-dispatch>Dispatch</a> <var title="">event</var> at <var title="">target</var>.</li>
<li><p>Let <var title="">target</var> no longer be <a href=#in-error-reporting-mode>in error reporting mode</a>.</li>
@@ -71842,6 +71849,7 @@
readonly attribute DOMString <a href=#dom-errorevent-filename title=dom-ErrorEvent-filename>filename</a>;
readonly attribute unsigned long <a href=#dom-errorevent-lineno title=dom-ErrorEvent-lineno>lineno</a>;
readonly attribute unsigned long <a href=#dom-errorevent-column title=dom-ErrorEvent-column>column</a>;
+ readonly attribute any <a href=#dom-errorevent-error title=dom-ErrorEvent-error>error</a>;
};
dictionary <dfn id=erroreventinit>ErrorEventInit</dfn> : <a href=#eventinit>EventInit</a> {
@@ -71849,6 +71857,7 @@
DOMString filename;
unsigned long lineno;
unsigned long column;
+ any error;
};</pre>
<p>The <dfn id=dom-errorevent-message title=dom-ErrorEvent-message><code>message</code></dfn> attribute
@@ -71874,8 +71883,14 @@
represents the column number where the error occurred in the
script.</p>
+ <p>The <dfn id=dom-errorevent-error title=dom-ErrorEvent-error><code>error</code></dfn>
+ attribute must return the value it was initialized to. When the
+ object is created, this attribute must be initialized to null.
+ Where appropriate, it is set to the object representing the error (e.g. the exception object in
+ the case of an uncaught DOM exception).</p>
+
<div class=impl>
<h4 id=event-loops><span class=secno>7.1.4 </span>Event loops</h4>
@@ -72442,8 +72457,10 @@
<dl class=switch><dt>If the attribute is the <code title=handler-onerror><a href=#handler-onerror>onerror</a></code> attribute of
the <code><a href=#window>Window</a></code> object</dt>
- <dd>Let the function have four arguments, named <code title="">event</code>, <code title="">source</code>, <code title="">lineno</code>, and <code title="">column</code>.</dd>
+ <dd>Let the function have five arguments, named <code title="">event</code>, <code title="">source</code>, <code title="">lineno</code>, <code title="">column</code>,
+ and <code title="">error</code>.</dd>
<!-- /column/ is new as of 2012; see https://www.w3.org/Bugs/Public/show_bug.cgi?id=13319 -->
+ <!-- /error/ is new as of 2013; see http://lists.w3.org/Archives/Public/public-whatwg-archive/2013Jul/0313.html -->
<dt>Otherwise</dt>
@@ -72592,8 +72609,9 @@
<p>Invoke <var title="">callback</var> with four arguments,
the first one having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-message><a href=#dom-errorevent-message>message</a></code> attribute,
the second having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-filename><a href=#dom-errorevent-filename>filename</a></code> attribute,
- the third having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code> attribute, and
+ the third having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code> attribute,
the fourth having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code> attribute,
+ the fifth having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-error><a href=#dom-errorevent-error>error</a></code> attribute, and
with the <i title=dfn-callback-this-value>callback this value</i> set to <var title="">E</var>'s <code title=dom-Event-currentTarget>currentTarget</code>. Let the return
value be <var title="">return value</var>. <a href=#refsWEBIDL>[WEBIDL]</a></p>
@@ -72677,7 +72695,7 @@
arguments:</p>
<pre class=idl>[TreatNonCallableAsNull]
-callback <dfn id=onerroreventhandlernonnull>OnErrorEventHandlerNonNull</dfn> = any ((<a href=#event>Event</a> or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column);
+callback <dfn id=onerroreventhandlernonnull>OnErrorEventHandlerNonNull</dfn> = any ((<a href=#event>Event</a> or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column, optional any error);
typedef <a href=#onerroreventhandlernonnull>OnErrorEventHandlerNonNull</a>? <dfn id=onerroreventhandler>OnErrorEventHandler</dfn>;</pre>
<p>Similarly, the <code title=handler-window-onbeforeunload><a href=#handler-window-onbeforeunload>onbeforeunload</a></code> handler has a
@@ -80757,8 +80775,10 @@
handled</a></i> afterwards, the user
agent must <a href=#queue-a-task>queue a task</a> to <a href=#concept-event-fire title=concept-event-fire>fire</a> a <a href=#concept-events-trusted title=concept-events-trusted>trusted</a> event that uses the <code><a href=#errorevent>ErrorEvent</a></code>
interface, with the name <code title=event-error>error</code>, that doesn't bubble and is
- cancelable, with its <code title=dom-ErrorEvent-message><a href=#dom-errorevent-message>message</a></code>, <code title=dom-ErrorEvent-filename><a href=#dom-errorevent-filename>filename</a></code>, <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code>, and <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code>
- attributes initialized appropriately, at the <code><a href=#worker>Worker</a></code> object associated with the
+ cancelable, with its <code title=dom-ErrorEvent-message><a href=#dom-errorevent-message>message</a></code>, <code title=dom-ErrorEvent-filename><a href=#dom-errorevent-filename>filename</a></code>, <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code>, <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code>,
+ attributes initialized appropriately,
+ and with the <code title=dom-ErrorEvent-error><a href=#dom-errorevent-error>error</a></code> attribute initialized to null,
+ at the <code><a href=#worker>Worker</a></code> object associated with the
worker. If the event is not canceled, the user agent must act as if the uncaught runtime script
error had occurred in the global scope that the <code><a href=#worker>Worker</a></code> object is in, thus repeating
the entire runtime script error reporting process one level up.</p>
@@ -103999,6 +104019,7 @@
Jake Verbaten,
James Craig,
James Graham,
+ James Green,
James Justin Harrell,
James Kozianski,
James M Snell,
Modified: index
===================================================================
--- index 2013-07-24 18:00:48 UTC (rev 8085)
+++ index 2013-07-24 18:50:53 UTC (rev 8086)
@@ -71776,6 +71776,11 @@
<a href=#fingerprinting-vector class=fingerprint title="fingerprinting vector"><img src=http://images.whatwg.org/fingerprint.png width=46 alt="(This is a fingerprinting vector.)" height=64></a>
</li>
+ <li><p>Let <var title="">error object</var> be the object that represents the error: in the case
+ of an uncaught exception, that would be the object that was thrown; in the case of a JavaScript
+ error that would be an <code>Error</code> object. If there is no corresponding object, then the
+ null value must be used instead.</li>
+
<li>
<p>Let <var title="">location</var> be an <a href=#absolute-url>absolute URL</a> that corresponds to the
@@ -71803,7 +71808,7 @@
</li>
- <li><p>If <var title="">script</var> has <a href=#muted-errors>muted errors</a>, then set <var title="">message</var> to "<code title="">Script error.</code>", set <var title="">location</var> to the empty string, and set <var title="">line</var> and <var title="">col</var> to 0.</li>
+ <li><p>If <var title="">script</var> has <a href=#muted-errors>muted errors</a>, then set <var title="">message</var> to "<code title="">Script error.</code>", set <var title="">location</var> to the empty string, set <var title="">line</var> and <var title="">col</var> to 0, and set <var title="">error object</var> to null.</li>
<li><p>Let <var title="">event</var> be a new <a href=#concept-events-trusted title=concept-events-trusted>trusted</a> <code><a href=#errorevent>ErrorEvent</a></code> object that does not
bubble but is cancelable, and which has the event name <code title=event-error>error</code>.</li>
@@ -71816,6 +71821,8 @@
<li><p>Initialize <var title="">event</var>'s <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code> attribute to <var title="">col</var>.</li>
+ <li><p>Initialize <var title="">event</var>'s <code title=dom-ErrorEvent-object>error</code> attribute to <var title="">error object</var>.</li>
+
<li><p><a href=#concept-event-dispatch title=concept-event-dispatch>Dispatch</a> <var title="">event</var> at <var title="">target</var>.</li>
<li><p>Let <var title="">target</var> no longer be <a href=#in-error-reporting-mode>in error reporting mode</a>.</li>
@@ -71842,6 +71849,7 @@
readonly attribute DOMString <a href=#dom-errorevent-filename title=dom-ErrorEvent-filename>filename</a>;
readonly attribute unsigned long <a href=#dom-errorevent-lineno title=dom-ErrorEvent-lineno>lineno</a>;
readonly attribute unsigned long <a href=#dom-errorevent-column title=dom-ErrorEvent-column>column</a>;
+ readonly attribute any <a href=#dom-errorevent-error title=dom-ErrorEvent-error>error</a>;
};
dictionary <dfn id=erroreventinit>ErrorEventInit</dfn> : <a href=#eventinit>EventInit</a> {
@@ -71849,6 +71857,7 @@
DOMString filename;
unsigned long lineno;
unsigned long column;
+ any error;
};</pre>
<p>The <dfn id=dom-errorevent-message title=dom-ErrorEvent-message><code>message</code></dfn> attribute
@@ -71874,8 +71883,14 @@
represents the column number where the error occurred in the
script.</p>
+ <p>The <dfn id=dom-errorevent-error title=dom-ErrorEvent-error><code>error</code></dfn>
+ attribute must return the value it was initialized to. When the
+ object is created, this attribute must be initialized to null.
+ Where appropriate, it is set to the object representing the error (e.g. the exception object in
+ the case of an uncaught DOM exception).</p>
+
<div class=impl>
<h4 id=event-loops><span class=secno>7.1.4 </span>Event loops</h4>
@@ -72442,8 +72457,10 @@
<dl class=switch><dt>If the attribute is the <code title=handler-onerror><a href=#handler-onerror>onerror</a></code> attribute of
the <code><a href=#window>Window</a></code> object</dt>
- <dd>Let the function have four arguments, named <code title="">event</code>, <code title="">source</code>, <code title="">lineno</code>, and <code title="">column</code>.</dd>
+ <dd>Let the function have five arguments, named <code title="">event</code>, <code title="">source</code>, <code title="">lineno</code>, <code title="">column</code>,
+ and <code title="">error</code>.</dd>
<!-- /column/ is new as of 2012; see https://www.w3.org/Bugs/Public/show_bug.cgi?id=13319 -->
+ <!-- /error/ is new as of 2013; see http://lists.w3.org/Archives/Public/public-whatwg-archive/2013Jul/0313.html -->
<dt>Otherwise</dt>
@@ -72592,8 +72609,9 @@
<p>Invoke <var title="">callback</var> with four arguments,
the first one having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-message><a href=#dom-errorevent-message>message</a></code> attribute,
the second having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-filename><a href=#dom-errorevent-filename>filename</a></code> attribute,
- the third having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code> attribute, and
+ the third having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code> attribute,
the fourth having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code> attribute,
+ the fifth having the value of <var title="">E</var>'s <code title=dom-ErrorEvent-error><a href=#dom-errorevent-error>error</a></code> attribute, and
with the <i title=dfn-callback-this-value>callback this value</i> set to <var title="">E</var>'s <code title=dom-Event-currentTarget>currentTarget</code>. Let the return
value be <var title="">return value</var>. <a href=#refsWEBIDL>[WEBIDL]</a></p>
@@ -72677,7 +72695,7 @@
arguments:</p>
<pre class=idl>[TreatNonCallableAsNull]
-callback <dfn id=onerroreventhandlernonnull>OnErrorEventHandlerNonNull</dfn> = any ((<a href=#event>Event</a> or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column);
+callback <dfn id=onerroreventhandlernonnull>OnErrorEventHandlerNonNull</dfn> = any ((<a href=#event>Event</a> or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column, optional any error);
typedef <a href=#onerroreventhandlernonnull>OnErrorEventHandlerNonNull</a>? <dfn id=onerroreventhandler>OnErrorEventHandler</dfn>;</pre>
<p>Similarly, the <code title=handler-window-onbeforeunload><a href=#handler-window-onbeforeunload>onbeforeunload</a></code> handler has a
@@ -80757,8 +80775,10 @@
handled</a></i> afterwards, the user
agent must <a href=#queue-a-task>queue a task</a> to <a href=#concept-event-fire title=concept-event-fire>fire</a> a <a href=#concept-events-trusted title=concept-events-trusted>trusted</a> event that uses the <code><a href=#errorevent>ErrorEvent</a></code>
interface, with the name <code title=event-error>error</code>, that doesn't bubble and is
- cancelable, with its <code title=dom-ErrorEvent-message><a href=#dom-errorevent-message>message</a></code>, <code title=dom-ErrorEvent-filename><a href=#dom-errorevent-filename>filename</a></code>, <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code>, and <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code>
- attributes initialized appropriately, at the <code><a href=#worker>Worker</a></code> object associated with the
+ cancelable, with its <code title=dom-ErrorEvent-message><a href=#dom-errorevent-message>message</a></code>, <code title=dom-ErrorEvent-filename><a href=#dom-errorevent-filename>filename</a></code>, <code title=dom-ErrorEvent-lineno><a href=#dom-errorevent-lineno>lineno</a></code>, <code title=dom-ErrorEvent-column><a href=#dom-errorevent-column>column</a></code>,
+ attributes initialized appropriately,
+ and with the <code title=dom-ErrorEvent-error><a href=#dom-errorevent-error>error</a></code> attribute initialized to null,
+ at the <code><a href=#worker>Worker</a></code> object associated with the
worker. If the event is not canceled, the user agent must act as if the uncaught runtime script
error had occurred in the global scope that the <code><a href=#worker>Worker</a></code> object is in, thus repeating
the entire runtime script error reporting process one level up.</p>
@@ -103999,6 +104019,7 @@
Jake Verbaten,
James Craig,
James Graham,
+ James Green,
James Justin Harrell,
James Kozianski,
James M Snell,
Modified: source
===================================================================
--- source 2013-07-24 18:00:48 UTC (rev 8085)
+++ source 2013-07-24 18:50:53 UTC (rev 8086)
@@ -80262,6 +80262,11 @@
<!--INSERT FINGERPRINT-->
</p></li>
+ <li><p>Let <var title="">error object</var> be the object that represents the error: in the case
+ of an uncaught exception, that would be the object that was thrown; in the case of a JavaScript
+ error that would be an <code>Error</code> object. If there is no corresponding object, then the
+ null value must be used instead.</p></li>
+
<li>
<p>Let <var title="">location</var> be an <span>absolute URL</span> that corresponds to the
@@ -80293,8 +80298,8 @@
<li><p>If <var title="">script</var> has <span>muted errors</span>, then set <var
title="">message</var> to "<code title="">Script error.</code>", set <var
- title="">location</var> to the empty string, and set <var title="">line</var> and <var
- title="">col</var> to 0.</p></li>
+ title="">location</var> to the empty string, set <var title="">line</var> and <var
+ title="">col</var> to 0, and set <var title="">error object</var> to null.</p></li>
<li><p>Let <var title="">event</var> be a new <span
title="concept-events-trusted">trusted</span> <code>ErrorEvent</code> object that does not
@@ -80313,6 +80318,9 @@
<li><p>Initialize <var title="">event</var>'s <code
title="dom-ErrorEvent-column">column</code> attribute to <var title="">col</var>.</p></li>
+ <li><p>Initialize <var title="">event</var>'s <code
+ title="dom-ErrorEvent-object">error</code> attribute to <var title="">error object</var>.</p></li>
+
<li><p><span title="concept-event-dispatch">Dispatch</span> <var title="">event</var> at <var
title="">target</var>.</p></li>
@@ -80347,6 +80355,7 @@
readonly attribute DOMString <span title="dom-ErrorEvent-filename">filename</span>;
readonly attribute unsigned long <span title="dom-ErrorEvent-lineno">lineno</span>;
readonly attribute unsigned long <span title="dom-ErrorEvent-column">column</span>;
+ readonly attribute any <span title="dom-ErrorEvent-error">error</span>;
};
dictionary <dfn>ErrorEventInit</dfn> : <span>EventInit</span> {
@@ -80354,6 +80363,7 @@
DOMString filename;
unsigned long lineno;
unsigned long column;
+ any error;
};</pre>
<p>The <dfn
@@ -80381,8 +80391,14 @@
represents the column number where the error occurred in the
script.</p>
+ <p>The <dfn title="dom-ErrorEvent-error"><code>error</code></dfn>
+ attribute must return the value it was initialized to. When the
+ object is created, this attribute must be initialized to null.
+ Where appropriate, it is set to the object representing the error (e.g. the exception object in
+ the case of an uncaught DOM exception).</p>
+
<div class="impl">
<h4>Event loops</h4>
@@ -81051,9 +81067,11 @@
<dt>If the attribute is the <code title="handler-onerror">onerror</code> attribute of
the <code>Window</code> object</dt>
- <dd>Let the function have four arguments, named <code title="">event</code>, <code
- title="">source</code>, <code title="">lineno</code>, and <code title="">column</code>.</dd>
+ <dd>Let the function have five arguments, named <code title="">event</code>, <code
+ title="">source</code>, <code title="">lineno</code>, <code title="">column</code>,
+ and <code title="">error</code>.</dd>
<!-- /column/ is new as of 2012; see https://www.w3.org/Bugs/Public/show_bug.cgi?id=13319 -->
+ <!-- /error/ is new as of 2013; see http://lists.w3.org/Archives/Public/public-whatwg-archive/2013Jul/0313.html -->
<dt>Otherwise</dt>
@@ -81221,8 +81239,9 @@
<p>Invoke <var title="">callback</var> with four arguments,
the first one having the value of <var title="">E</var>'s <code title="dom-ErrorEvent-message">message</code> attribute,
the second having the value of <var title="">E</var>'s <code title="dom-ErrorEvent-filename">filename</code> attribute,
- the third having the value of <var title="">E</var>'s <code title="dom-ErrorEvent-lineno">lineno</code> attribute, and
+ the third having the value of <var title="">E</var>'s <code title="dom-ErrorEvent-lineno">lineno</code> attribute,
the fourth having the value of <var title="">E</var>'s <code title="dom-ErrorEvent-column">column</code> attribute,
+ the fifth having the value of <var title="">E</var>'s <code title="dom-ErrorEvent-error">error</code> attribute, and
with the <i title="dfn-callback-this-value">callback this value</i> set to <var
title="">E</var>'s <code title="dom-Event-currentTarget">currentTarget</code>. Let the return
value be <var title="">return value</var>. <a href="#refsWEBIDL">[WEBIDL]</a></p>
@@ -81323,7 +81342,7 @@
arguments:</p>
<pre class="idl">[TreatNonCallableAsNull]
-callback <dfn>OnErrorEventHandlerNonNull</dfn> = any ((<span>Event</span> or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column);
+callback <dfn>OnErrorEventHandlerNonNull</dfn> = any ((<span>Event</span> or DOMString) event, optional DOMString source, optional unsigned long lineno, optional unsigned long column, optional any error);
typedef <span>OnErrorEventHandlerNonNull</span>? <dfn>OnErrorEventHandler</dfn>;</pre>
<p>Similarly, the <code title="handler-window-onbeforeunload">onbeforeunload</code> handler has a
@@ -89926,8 +89945,10 @@
interface, with the name <code title="event-error">error</code>, that doesn't bubble and is
cancelable, with its <code title="dom-ErrorEvent-message">message</code>, <code
title="dom-ErrorEvent-filename">filename</code>, <code
- title="dom-ErrorEvent-lineno">lineno</code>, and <code title="dom-ErrorEvent-column">column</code>
- attributes initialized appropriately, at the <code>Worker</code> object associated with the
+ title="dom-ErrorEvent-lineno">lineno</code>, <code title="dom-ErrorEvent-column">column</code>,
+ attributes initialized appropriately,
+ and with the <code title="dom-ErrorEvent-error">error</code> attribute initialized to null,
+ at the <code>Worker</code> object associated with the
worker. If the event is not canceled, the user agent must act as if the uncaught runtime script
error had occurred in the global scope that the <code>Worker</code> object is in, thus repeating
the entire runtime script error reporting process one level up.</p>
@@ -116574,6 +116595,7 @@
Jake Verbaten,
James Craig,
James Graham,
+ James Green,
James Justin Harrell,
James Kozianski,
James M Snell,
More information about the Commit-Watchers
mailing list