ass.html">EventStreamProvider</a>&lt;<a href="dart-html/Event-class.html">Event</a>&gt;<Event>('unload')</span>
            </dt>
            <dd>
                <div class="is-const">
                    const
                </div>
                
            </dd>
        </dl>
    </section>



    <section class="summary" id="instance-properties">
        <h2>Properties</h2>

        <dl class="properties">
            <dt id="on" class="property">
                <span class="top-level-variable-type