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+---
+title: HTMLDialogElement.show()
+slug: Web/API/HTMLDialogElement/show
+translation_of: Web/API/HTMLDialogElement/show
+---
+<p>{{ APIRef("HTML DOM") }} {{ SeeCompatTable() }}</p>
+
+<p>The <strong><code>show()</code></strong> method of the {{domxref("HTMLDialogElement")}} interface displays the dialog modelessly, i.e. still allowing interaction with content outside of the dialog.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox">dialogInstance.show();</pre>
+
+<h3 id="Parameters">Parameters</h3>
+
+<p>None.</p>
+
+<h3 id="Return_value">Return value</h3>
+
+<p>Void.</p>
+
+<h2 id="Examples" name="Examples">Examples</h2>
+
+<p>The following example shows a simple button that, when clicked, opens a {{htmlelement("dialog")}} containing a form via the <code>show()</code> method. From there you can click the <em>Cancel</em> button to close the dialog (via the {{domxref("HTMLDialogElement.close()")}} method), or submit the form via the submit button.</p>
+
+<pre class="brush: html">  &lt;!-- Simple pop-up dialog box, containing a form --&gt;
+  &lt;dialog id="favDialog"&gt;
+    &lt;form method="dialog"&gt;
+      &lt;section&gt;
+        &lt;p&gt;&lt;label for="favAnimal"&gt;Favorite animal:&lt;/label&gt;
+        &lt;select id="favAnimal" name="favAnimal"&gt;
+          &lt;option&gt;&lt;/option&gt;
+          &lt;option&gt;Brine shrimp&lt;/option&gt;
+          &lt;option&gt;Red panda&lt;/option&gt;
+          &lt;option&gt;Spider monkey&lt;/option&gt;
+        &lt;/select&gt;&lt;/p&gt;
+      &lt;/section&gt;
+      &lt;menu&gt;
+        &lt;button id="cancel" type="reset"&gt;Cancel&lt;/button&gt;
+        &lt;button type="submit"&gt;Confirm&lt;/button&gt;
+      &lt;/menu&gt;
+    &lt;/form&gt;
+  &lt;/dialog&gt;
+
+  &lt;menu&gt;
+    &lt;button id="updateDetails"&gt;Update details&lt;/button&gt;
+  &lt;/menu&gt;
+
+  &lt;script&gt;
+    (function() {
+      var updateButton = document.getElementById('updateDetails');
+      var cancelButton = document.getElementById('cancel');
+      var dialog = document.getElementById('favDialog');
+      dialog.returnValue = 'favAnimal';
+
+      function openCheck(dialog) {
+        if(dialog.open) {
+          console.log('Dialog open');
+        } else {
+          console.log('Dialog closed');
+        }
+      }
+
+      // Update button opens a modal dialog
+      updateButton.addEventListener('click', function() {
+        dialog.showModal();
+        openCheck(dialog);
+      });
+
+      // Form cancel button closes the dialog box
+      cancelButton.addEventListener('click', function() {
+        dialog.close('animalNotChosen');
+        openCheck(dialog);
+      });
+
+    })();
+  &lt;/script&gt;</pre>
+
+<h2 id="Specifications" name="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('HTML WHATWG', 'forms.html#dom-dialog-show', 'show()')}}</td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td> </td>
+  </tr>
+  <tr>
+   <td>{{SpecName('HTML5.1', 'interactive-elements.html#dom-htmldialogelement-show', 'show()')}}</td>
+   <td>{{Spec2('HTML5.1')}}</td>
+   <td> </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+
+
+<p>{{Compat("api.HTMLDialogElement.show")}}</p>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>The HTML element implementing this interface: {{ HTMLElement("dialog") }}.</li>
+</ul>