“Yes, browsers can do that!”

Code examples of my CoffeeTalk “Yes, browsers can do that!”.

• HTML5 forms
• Responsive images
  • srcset
  • srcset and sizes
  • picture
• Validity and semantics in HTML
  • Yes, this is valid HTML
  • CSS without HTML
• Web APIs
  • Ambient light sensor
  • Proximity events
  • Battery status
  • Notifications
  • Web Audio