var event = new PointerEvent("pointerover",

{bubbles: true,

cancelable: true,

pointerId: 42,

pointerType: "pen",

clientX: 300,

<section>

<h2>Firing events using the <code>PointerEvent</code> interface</h2>

<p>To <dfn>fire a pointer event name e</dfn> means to <dfn>fire an event named e</dfn> as defined in [[!DOM4]] with an event using the <a>PointerEvent</a> interface whose attributes are set as defined in <a href="#pointerevent-interface"><code>PointerEvent</code> Interface</a>.</p>

<p>Initialize the <code>bubbles</code> attribute for the event to <code>true</code> if the event name is</p>

<ul>

<li><code>pointerdown</code></li>

<p>The following table provides a summary of the event types defined in this specification.</p>

<table class="parameters">

<thead><tr>

</thead>

<tbody>

<tr>

<td><code>pointerover</code></td>

<td>Sync</td>

<td>Yes</td>

<td>Yes</td>

<td>None</td>

</tr>

<tr>

<td><code>pointerenter</code></td>

<td>Sync</td>

<td>No</td>

<td>No</td>

<td>None</td>

</tr>

<tr>

<td><code>pointerdown</code></td>

<td>Sync</td>

<td>Yes</td>

<td>Yes</td>

<td>Varies: when the pointer is primary, all default actions of the <code>mousedown</code> event

<br>Canceling this event also sets the <i>PREVENT MOUSE EVENT</i> flag for this <code>pointerType</code>, which prevents subsequent firing of certain <a>compatibility mouse events</a>.</td>

</tr>

<td>Sync</td>

<td>Yes</td>

<td>Yes</td>

<td>Varies: when the pointer is primary, all default actions of <code>mousemove</code></td>

</tr>

<tr>

<td><code>pointerup</code></td>

<td>Sync</td>

<td>Yes</td>

<td>Yes</td>

<td>Varies: when the pointer is primary, all default actions of <code>mouseup</code></td>

</tr>

<tr>

<td><code>pointercancel</code></td>

<td>Sync</td>

<td>Yes</td>

<td>No</td>

<td>None</td>

</tr>

<tr>

<td><code>pointerout</code></td>

<td>Sync</td>

<td>Yes</td>

<td>Yes</td>

<td>None</td>

</tr>

<tr>

<td><code>pointerleave</code></td>

<td>Sync</td>

<td>No</td>

<td>No</td>

<td>None</td>

</tr>

<tr>

<td><code>gotpointercapture</code></td>

<td>Sync/Async</td>

<td>Yes</td>

<td>No</td>

<td>None</td>

</tr>

<tr>

<td><code>lostpointercapture</code></td>

<td>Sync/Async</td>

<td>Yes</td>

<td>No</td>

<td>None</td>

</tr>

</tbody>

<p>The following is an informative summary of substantial and major editorial changes between publications of this specification, relative to the first [[PointerEvents]] specification. See the <a href="https://github.com/w3c/pointerevents/commits">complete revision history of the Editor's Drafts of this specification</a>.</p>

<h3>Changes since the 24 February 2015 Recommendation</h3>

<ul>

<li><a href="https://github.com/w3c/pointerevents/pull/87">Add digitizer/pen tangential (barrel) pressure</a></li>

<li><a href="https://github.com/w3c/pointerevents/pull/79">Add digitizer/pen twist</a></li>

<li><a href="https://github.com/w3c/pointerevents/pull/69">Make width/height default to 1, remove UA "guessing"/faking geometry</a></li>