<i>headers received</i>, or <i>loading</i>, and it has one or more

<a>event listeners</a>

registered whose <b>type</b> is one of

<a event><code>readystatechange</code></a>,

<a event><code>progress</code></a>,

<a event><code>abort</code></a>,

<a event><code>error</code></a>,

<a event><code>load</code></a>,

<a event><code>timeout</code></a>, and

<a event><code>loadend</code></a>.

{{XMLHttpRequest/readystatechange}},

{{XMLHttpRequest/progress}},

{{XMLHttpRequest/abort}},

{{XMLHttpRequest/error}},

{{XMLHttpRequest/load}},

{{XMLHttpRequest/timeout!!event}}, and

{{XMLHttpRequest/loadend}}.

<!-- No need to mention upload event listeners as they happen during /opened/. -->

<p>If an {{XMLHttpRequest}} object is garbage collected while its connection is still open, the user

<tbody>

<tr>

<td><dfn id=handler-xhr-onloadstart attribute for=XMLHttpRequestEventTarget><code>onloadstart</code></dfn>

<td><a event><code>loadstart</code></a>

<td>{{XMLHttpRequest/loadstart}}

<tr>

<td><dfn id=handler-xhr-onprogress attribute for=XMLHttpRequestEventTarget><code>onprogress</code></dfn>

<td><a event><code>progress</code></a>

<td>{{XMLHttpRequest/progress}}

<tr>

<td><dfn id=handler-xhr-onabort attribute for=XMLHttpRequestEventTarget><code>onabort</code></dfn>

<td><a event><code>abort</code></a>

<td>{{XMLHttpRequest/abort}}

<tr>

<td><dfn id=handler-xhr-onerror attribute for=XMLHttpRequestEventTarget><code>onerror</code></dfn>

<td><a event><code>error</code></a>

<td>{{XMLHttpRequest/error}}

<tr>

<td><dfn id=handler-xhr-onload attribute for=XMLHttpRequestEventTarget><code>onload</code></dfn>

<td><a event><code>load</code></a>

<td>{{XMLHttpRequest/load}}

<tr>

<td><dfn id=handler-xhr-ontimeout attribute for=XMLHttpRequestEventTarget><code>ontimeout</code></dfn>

<td><a event><code>timeout</code></a>

<td>{{XMLHttpRequest/timeout!!event}}

<tr>

<td><dfn id=handler-xhr-onloadend attribute for=XMLHttpRequestEventTarget><code>onloadend</code></dfn>

<td><a event><code>loadend</code></a>

<td>{{XMLHttpRequest/loadend}}

</table>

<p>The following is the

<li><p>Otherwise, if <var>xhr</var>'s <a for=XMLHttpRequest>response</a>'s

<a for=response>aborted flag</a> is set, run the <a>request error steps</a> for <var>xhr</var>,

<a event><code>abort</code></a>, and "{{AbortError!!exception}}" {{DOMException}}.

<a event for=XMLHttpRequest><code>abort</code></a>, and "{{AbortError!!exception}}"

{{DOMException}}.

<li><p>Otherwise, if <var>xhr</var>'s <a for=XMLHttpRequest>response</a> is a

<a for=/>network error</a>, then run the <a>request error steps</a> for <var>xhr</var>,

<a event><code>error</code></a>, and "{{NetworkError!!exception}}" {{DOMException}}.

{{XMLHttpRequest/error}}, and "{{NetworkError!!exception}}" {{DOMException}}.

</ol>

<p>The <dfn>request error steps</dfn> for an {{XMLHttpRequest}} object <var>xhr</var>,

<li><p>If <a>this</a>'s <a>state</a> is <i>opened</i> with <a>this</a>'s

<a><code>send()</code> flag</a> set, <i>headers received</i>, or <i>loading</i>, then run the

<a>request error steps</a> for <a>this</a> and <a event><code>abort</code></a>.

<a>request error steps</a> for <a>this</a> and <a event for=XMLHttpRequest><code>abort</code></a>.

<li>

<p>If <a>this</a>'s <a>state</a> is <i>done</i>, then set <a>this</a>'s <a>state</a> to