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With the starter kit, we'll gain the advantages of routing, app layout, Material Design, and many core utilities right away. First, make sure that you have (with NPM) installed.If you don't already have Bower, install it globally with the following command: We also need to have a sample Node API running.
Polymer has comprehensive documentation at the Polymer Project Devguide and can be used with or without the custom elements in the Element Catalog.
To speed up development, we'll build our simple Single Page Application (SPA) with a starter kit and Polymer elements.
One thing is for certain though—by the end of this online workshop, you will have the tools and know-how to write a great novel.
TL; DR: Google Polymer is a library that provides syntactic sugar and polyfills for building elements and applications with web components.
We're going to develop a Polymer app that does the following: The full source code for the completed app can be cloned from this Git Hub repo.
We'll use the new Polymer CLI to scaffold our Polymer web app with the Polymer Starter Kit.However, to understand Polymer, we'll do a quick crash-course on a specific kind of component: components.Web components are reusable widgets that can be assembled like building blocks in web documents and apps.It provides syntactic sugar to native web components as well as polyfills for browsers that don't support web components yet.Shadow DOM is difficult and costly to polyfill, so Polymer provides a separate shady DOM polyfill to implement the features of shadow DOM in browsers that lack support.They are a set of browser features that are being added to the W3C HTML and DOM specification.A web component is composed of four standards: In a nutshell, web components allow us to architect and import custom elements that automatically associate JS behavior with templates and can utilize shadow DOM to provide CSS scoping and DOM encapsulation.When we're finished with this step, our app will look like this: Open attribute.We'll add authorization to this request in the JS when we generate the request. We want to show authenticated users a greeting and private quotes.When viewing your app in the browser, it looks like this: You can see that the starter kit app has several views. When we've finished updating the structure and naming, our app should look like this: Let's dig into the code to understand how Polymer applications and elements are composed and how we can modify it to suit our needs.Open the The link style will display in the blue header area so the text should be white.