This course is out of date and does not reflect our standards or industry best practices. We now recommend you take the Complete Intro to Web Development, v2 course.

Check out a free preview of the full Introduction to JavaScript and jQuery course:
The "Browser Support" Lesson is part of the full, Introduction to JavaScript and jQuery course featured in this preview video. Here's what you'd learn in this lesson:

Introduction and the pain of testing in multiple browsers Use Modernizr for feature testing and polyfills (i.e. backfill canvas support with VML) Audience gives Karl a feature to research browser support with

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