MNotes/components-wiki/figures/menu/usage-popover.html

<div class="figure-wrapper">
  <figure
    style="justify-content: center"
    aria-label="A filled button that says open popover menu. Interact with the button to open a popover menu."
  >
    <div>
      <div style="margin: 16px">
        <md-filled-button id="usage-popover-anchor">Open popover menu</md-filled-button>
      </div>
      <md-menu positioning="popover" id="usage-popover" anchor="usage-popover-anchor">
        <md-menu-item>
          <div slot="headline">Apple</div>
        </md-menu-item>
        <md-menu-item>
          <div slot="headline">Banana</div>
        </md-menu-item>
        <md-menu-item>
          <div slot="headline">Cucumber</div>
        </md-menu-item>
      </md-menu>
    </div>
    <script type="module">
      const anchorEl = document.body.querySelector("#usage-popover-anchor");
      const menuEl = document.body.querySelector("#usage-popover");
      anchorEl.addEventListener("click", () => {
        menuEl.open = !menuEl.open;
      });
    </script>
  </figure>
</div>