<h2 class="no-num no-toc">Draft Standard — 10 August 2010</h2>
<h2 class="no-num no-toc">Draft Standard — 11 August 2010</h2>
</hgroup><p>You can take part in this work. <a href=http://www.whatwg.org/mailing-list>Join the working group's discussion list.</a></p>
<p><strong>Web designers!</strong> We have a <a href=http://blog.whatwg.org/faq/>FAQ</a>, a <a href=http://forums.whatwg.org/>forum</a>, and a <a href=http://www.whatwg.org/mailing-list#help>help mailing list</a> for you!</p>
<!--<p class="impl"><strong>Implementors!</strong> We have a <a href="http://www.whatwg.org/mailing-list#implementors">mailing list</a> for you too!</p>-->
send the message to the target regardless of origin, set the
target origin to "<code title="">*</code>". To restrict the
message to same-origin targets only, without needing to explicitly
state the origin, set the target origin to "<code title="">/</code>".</p>
state the origin, pass the <code title=dom-location><a href=#dom-location>window.location</a></code> object.</p>
<p>Throws an <code><a href=#invalid_state_err>INVALID_STATE_ERR</a></code> if the <var title="">ports</var> array is not null and it contains either null
entries or duplicate ports.</p>
<ol><li>
<p>If the value of the <var title="">targetOrigin</var> argument
is neither a single U+002A ASTERISK character (*), a single U+002F
SOLIDUS character (/), nor an <a href=#absolute-url>absolute URL</a> with a
<hgroup><h1>HTML5 (including next generation additions still in development)</h1>
<h2 class="no-num no-toc">Draft Standard — 10 August 2010</h2>
<h2 class="no-num no-toc">Draft Standard — 11 August 2010</h2>
</hgroup><p>You can take part in this work. <a href=http://www.whatwg.org/mailing-list>Join the working group's discussion list.</a></p>
<p><strong>Web designers!</strong> We have a <a href=http://blog.whatwg.org/faq/>FAQ</a>, a <a href=http://forums.whatwg.org/>forum</a>, and a <a href=http://www.whatwg.org/mailing-list#help>help mailing list</a> for you!</p>
<!--<p class="impl"><strong>Implementors!</strong> We have a <a href="http://www.whatwg.org/mailing-list#implementors">mailing list</a> for you too!</p>-->
send the message to the target regardless of origin, set the
target origin to "<code title="">*</code>". To restrict the
message to same-origin targets only, without needing to explicitly
state the origin, set the target origin to "<code title="">/</code>".</p>
state the origin, pass the <code title=dom-location><a href=#dom-location>window.location</a></code> object.</p>
<p>Throws an <code><a href=#invalid_state_err>INVALID_STATE_ERR</a></code> if the <var title="">ports</var> array is not null and it contains either null
entries or duplicate ports.</p>
<ol><li>
<p>If the value of the <var title="">targetOrigin</var> argument
is neither a single U+002A ASTERISK character (*), a single U+002F
SOLIDUS character (/), nor an <a href=#absolute-url>absolute URL</a> with a