The document provides an overview of Polymer.js, detailing its evolution, features, and how to set up a development environment. It highlights the historical progression of web technology and introduces concepts like web components, shadow DOM, and custom elements. Additionally, it outlines the installation process for necessary tools and resources for creating Polymer applications.

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PolymerJS
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Session 1 - Introduction

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Agenda
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• Evolution of Web
• History of PolymerJS
• Background about Web Components
• Introduction to PolymerJS
• Setting Up Dev Environment
• Creating a Sample Polymer App
• Using a Polymer Element

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Evolution of Web
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1993 - 1997: Static HTML
Websites, GIFs, Minimal
Javascript and DHTML
1995 - 2002: Dynamic Web
Pages, Server Side
Programming - CGI, Perl,
PHP, JSP, Java
2002-2007: CMS Systems
like Wordpress, Drupal,
Joomla etc - HTML4, Initial
Ajax, Canvas, Web Fonts
2008-2012: RIA Apps, Client
Server Apps, CSS3,
Animations, Offline,
Responsive Design
2012-2014: Cloud
Apps - Salesforce,
Google Drive, MS
Office 360, Paypal
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2015-2016: User Experience -
Front End MVC, Single Page
Apps - Angular, React, Node,
Nginx, IOT, Smartwatches

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History
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Launched at
Termed as Tectonic
Shift in the Web

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Web Components
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Web Components
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Shadow DOM
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• Isolated DOM
• Scoped CSS
• Composition
• Simplifies CSS
• Productivity

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HTML Imports

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HTML Templates

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Custom Elements
<my-component-new
property=“Awesome”
onUpdate=“onChange”>
</my-component-new>
Custom elements teach the browser new tricks while
preserving the benefits of HTML.

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Status
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Introduction
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• Official Support by Google
• Base platform includes set of Polyfills for Web Components
• On top of it, provides excellent features & utilities like 2 way
data-binding, Computed Properties to build RIA apps
today.
• Stable version 1.0 released in 2015 (28/05/2015)
• Performance & use of latest Web Standards by everyone is the
goal. It is also considering about PWA, Service Workers &
HTTP2
• Awesome catalog of re-usable elements for Rapid Dev

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Introduction
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Setting Up Dev Env
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• Install Git.
• Install the current LTS version (6.x) of Node.js or newer.
• Install the latest version of Bower.
npm install -g bower
• Install Polymer CLI.
npm install -g polymer-cli
You're all set. Run polymer help to view a list of commands.

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Creating Sample App
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New App & Use a Simple Polymer Element

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Thanks
mAppMechanic
twitter.com/mAppMechanic
linkedin.com/in/rahatkh
yehtechnologies@gmail.com