Browser Compatibility
Lesson 1 of 1
  1. 1
    Browser Compatibility
    What is your default browser? Is it Chrome, Firefox, Safari, or [Microsoft Edge…
    Start
  2. 2
    Checking Availability
    Every now and then, exciting new HTML, CSS, and JavaScript features get released. However, these new features may not be immediately usable because different browsers adopt new web features at diff…
    Start
  3. 3
    Browser Defaults
    Browsers are based on browser engines—the core component responsible for rendering HTML, CSS, and JavaScript in the browser. For example, Chrom…
    Start
  4. 4
    Vendor Prefixes
    Vendor prefixes are prefixes for property names that were developed as a way of testing new CSS features or standards before bro…
    Start
  5. 5
    Polyfills
    It’s difficult to keep track of which CSS properties are not supported in certain browsers and their versions. Polyfills are JavaScri…
    Start
  6. 6
    Review
    Congratulations! In this lesson, you learned about browser compatibility and how to resolve issues that occur when websites are rendered across different browsers and their various versions. Let’s …
    Start

How you'll master it

Stress-test your knowledge with quizzes that help commit syntax to memory