版本：0.3.3
- https://cdn.bootcdn.net/ajax/libs/polymer/0.3.3/platform.js
- https://cdn.bootcdn.net/ajax/libs/polymer/0.3.3/polymer.js
The Polymer library makes it easy to create your own web components. Give your element some markup and properties, and then use it on a site. Polymer provides features like dynamic templates and data binding to reduce the amount of boilerplate you need to