Introduction to JavaScript and jQuery

Introduction to JavaScript and jQuery Data Types and Variables

Karl Swedberg
Karl Swedberg
Learning jQuery

This course is out of date and does not reflect our standards or industry best practices.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, v3 course.

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The "Data Types and Variables" 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:

JavaScript primitives: Strings (quotes), Numbers, Booleans, Arrays and Objects...covers a few things to note about Arrays like: index starts at 0 (unlike nth-child in CSS which starts at 1), mixing types in arrays and nesting arrays JavaScript variables - making sure to declare them because of scoping issues

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