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How the payment ecosystem works
Learn who are involved in the Web Payments ecosystem, how they interact each other and how you can get involved.
Payment Method Basics
Understanding how payment methods are specified in the Payment Request API is mandatory for you. Learn 2 types of payment methods and how to create your own.
Web Payments Overview
Learn the concept of the Web Payments and how it works at a high level.
How Payment Request API Works
Learn how the Payment Request API works at a high level.
Graphical Content
HTTP Caching
HTTP Requests
Measuring Performance
Overview
Text Content
Wrap-up and Demo
Accessible Styles
Using proper styling to improve accessibility
ARIA Labels and Relationships
Using ARIA labels to create accessible element descriptions
DOM Order Matters
The importance of the default DOM order
Hiding and Updating Content
Hiding content from assistive technology
Introduction to ARIA
Introduction to ARIA and non-native HTML semantics
Introduction to Focus
Overview of screen focus in accessibility
Introduction to Semantics
Introduction to semantics and assistive technology
Semantics and Navigating Content
The role of semantics in page navigation
Text Alternatives for Images
Using the alt attribute to provide text alternatives for images
The Accessibility Tree
Introduction to the Accessibility Tree
Using tabindex
Modifying the DOM order with tabindex
Accessibility
Improving accessibility for web pages
Delivering Fast and Light Applications with Save-Data
The Save-Data client hint request header available in Chrome, Opera, and Yandex browsers enables developers to deliver fast and light applications to users who have opted-in to 'data saving' mode in the browser.
Set Up Persistence with DevTools Workspaces
Set up persistent authoring in Chrome DevTools so you can both see your changes immediately and save those changes to disk.
How to step through your code
By executing code one line or one function at a time, you can observe changes in the data and in the page to understand exactly what is happening.