1img1.__proto__ === img2.__proto__
2

1<!-- Simple pop-up dialog box containing a form -->
2<dialog id="favDialog">
3  <form method="dialog">
4    <p><label>Favorite animal:
5      <select>
6        <option></option>
7        <option>Brine shrimp</option>
8        <option>Red panda</option>
9        <option>Spider monkey</option>
10      </select>
11    </label></p>
12    <menu>
13      <button value="cancel">Cancel</button>
14      <button id="confirmBtn" value="default">Confirm</button>
15    </menu>
16  </form>
17</dialog>
18
19<menu>
20  <button id="updateDetails">Update details</button>
21</menu>
22
23<output aria-live="polite"></output>
24

1<dialog open>
2  <p>Greetings, one and all!</p>
3</dialog>
4