Output

A<a>PresentationRequest</a> object

Anew<a>PresentationRequest</a> object

Output

A {{Promise}}

Anew{{Promise}}

Output

<var>P</var>, a {{Promise}}

<var>P</var>, anew{{Promise}}

Output

A {{Promise}}

Anew{{Promise}}

<li>If there is an unsettled {{Promise}} from a previous call to

<adata-link-for="PresentationRequest">getAvailability</a> on<var>

presentationRequest</var>, return that {{Promise}} and abort

these steps.

<li>Otherwise, let<var>P</var> be a new {{Promise}} constructed in

the<a>JavaScript realm</a> of<var>presentationRequest</var>.

<li>Let<var>P</var> be a new {{Promise}} constructed in the

<a>JavaScript realm</a> of<var>presentationRequest</var>.

<li>Return<var>P</var>, but continue running these steps<a>in

parallel</a>.