Polymer 2.0 - Custom Element - Register Element

Create file (.html) for custom-element

Import - Polymer in file (HTML import using <link> tag)

Create New Element in JS environment <script> tag

Register the newly created element with the browser with customElements.define

How Polymer Works (Creation and Use Custom Elements)

custom-element.html

import web-components-loader.js (<script> tag)

index.html

import custom-element.html file (<link> tag)

use custom-element tag