bindex="-1"></a>      <span class="co">// Reset the deferred prompt variable, since</span></span>
<span id="cb939-15"><a href="mobile-pwa.html#cb939-15" aria-hidden="true" tabindex="-1"></a>      <span class="co">// prompt() can only be called once.</span></span>
<span id="cb939-16"><a href="mobile-pwa.html#cb939-16" aria-hidden="true" tabindex="-1"></a>      deferredPrompt <span class="op">=</span> <span class="kw">null</span><span class="op">;</span></span>
<span id="cb939-17"><a href="mobile-pwa.html#cb9