Overview
This 2-day course introduces students familiar with writing HTML to the new elements and attributes of HTML5 before moving into the web application scripting APIs. The course begins by introducing where HTML5 came from and what it is. It discusses how to use the new elements and attributes as well as how to detect if the browser supports them. The course then moves into new form input types and attributes before covering the audio/video tags. A deeper look into the Canvas element follows, and then the Geolocation API, new local data storage options that could make cookies obsolete, and finally new communications APIs that will greatly enhance online web applications. Appendices covering Microdata, offline applications, and WebSockets are included for further study.
Audience
Experienced web developers who will be designing, creating, and deploying HTML5 web applications.
Prerequisites
Experience in HTML 4 and JavaScript is required. CSS knowledge is helpful.
Course duration
2 Days
Course outline
1. HTML5 Overview
- HTML5 History/Timeline
- HTML5 Design Principles
- What is (and isn’t) HTML5
- HTML Review
- Doctype
- Root Element
- <head> Element
- Syntax
2. HTML5 Elements
- Content Models
- New Structural Elements
- HTML4/HTML5 Comparison
- Other New Elements
- Redefined Elements
- Obsolete Elements
- HTML5 Outlines
- When Can I Use It?
- Feature Detection: Techniques
- Feature Detection: Examples
- Feature Detection: Modernizr
- CSS Styling
- Validating
- Accessibility (WAI-ARIA)
3. Forms
- HTML5 Forms Overview
- New Input Types: Contact Info
- New Input Types: Native Date Picking
- Opera’s Rendering of Date Input Types
- New Input Types: Number and Range
- New Attributes
- Detecting Support
- Accessibility (WAI-ARIA)
- Styling Form Elements
- Avoiding Validation
- The Constraint Validation API
- Custom Validation Example
4. HTML5 Media
- Audio and Video Element
- Using the Media Elements
- Attributes
- Formats
- Serving Device-Specific Files
- Accessibility
- Backwards Compatibility
- Media API
- Rolling Custom Controls
5. Canvas
- Canvas Overview
- The Canvas Element
- The 2D Context
- The Coordinate System
- Rectangles
- Paths
- Paths; Drawing Methods
- Curves and Arcs
- Colors and Styles
- Gradients
- Patterns
- Transformations: Scale, Translate
- Transformations: Rotate
- Drawing States
- Image Drawing
- Animations
- Responding to User Events: Keyboard
- Responding to User Events: Mouse
- Compositing
- Text
- Pixel Manipulations
- toDataURL()
- Accessibility
- Canvas and Internet Explorer
6. Geolocation
- Geolocation Overview
- Privacy Concerns
- API Methods
- API Attributes
- Using the Geolocation API: Success Handlers
- Using the Geolocation API: Error Handlers
- Using the Geolocation API: The Third Argument
- watchPosition() and clearWatch()
- Fallback Support: Geo.js
7. Local Data Storage
- Local Data Storage Overview
- Web Storage Overview
- Web Storage API
- Data Types
- JSON (JavaScript Object Notation)
- Accessing Storage
- The Storage Event
- Database APIs
- Web SQL Databases
- Web Databases: Opening the DB, Creating Tables, and Inserting Data
- Web Databases: Selecting, Using, and Deleting Data
- IndexedDB
8. Web Messaging
- Cross Document Messaging
- Using the postMessage API
- Server-Sent Events Overview
- EventSource API
- Using the EventSource API: Client-side
- Event Stream Format: Server-side
- Simple Implementation
- XMLHttpRequest Level 2
- Cross-Origin Requests
- Making a Cross-Origin Request
- Progress Events
- Using Progress Events
9. Web Workers
- Web Workers Overview
- What Can You Do with a Worker?
- Message Passing
- Handling Errors
- Stopping Workers
- Loading and Executing External Scripts
- Workers within Workers
- Subworkers: An Example
- Security Notes
- Shared Workers: The Parent Page
- Shared Workers: Within the Worker
10. Appendix A – Microdata
- What Is It?
- Why Use It?
- Data Model
- Typed Items
- Using Microdata
11. Appendix B – Offline
- Offline Web Applications Overview
- Adding and Service a Cache Manifest
- Cache Manifest Sections
- Updating the Cache
- The ApplicationCache Object: Methods and Status Values
- The ApplicationCache Object: Events
- Programmatically Updating the Cache
- Detecting Connectivity
12. Appendix C – Web Sockets
- Web Sockets Overview
- Using the WebSockets API
- WebSockets on the Server
- Fallback Solutions
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