de><span class="keyword">method</span> getBackgroundPage : <span><span><span><span><a href="../../../ezjs-min/Js_min/index.html#type-window">Js_min.window</a> <a href="../../../ezjs-min/Js_min/index.html">Js_min</a>.t</span> <a href="../../../ezjs-min/Promise/index.html#type-promise">Promise.promise</a></span> <a href="../../../ezjs-min/Js_min/index.html">Js_min</a>.t</span> <a href="../../../ezjs-min/Js_min/index.html">Js_min</a>.meth</span></code></dt><dt class="spec method" id="method-openOptionsPage"><a