In Polymer.js, paper menu is a simple ready to use menu which has material design styling. This element has multiple selection options and key bindings to navigate through the listbox. The selected item shows bold text. Use the following command in your command prompt to get paper-menu in your directory in working condition.
Create an index.html file and add the following code in it to see the use of paper menu element in Polymer.js.
Now, open my-app.html file and include the following code in it.