Variables, Functions, and Scope
What are arrow functions? What’s function hoisting? What’s the difference between
const, and when should you use each? What’s “scope” and how does it work?
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What you’ll learn
- The difference between function expressions and function declarations, and which one to use.
- What function hoisting is, and whether or not it’s a good thing.
- How to scope your code, and why you want to.
- How to conditionally set variables.
- Useful techniques for passing variables into functions and defining default values.
- The difference between functions and methods.
- How to write ES6 arrow functions.
- How to use ES6
constfor defining variables.
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A Sample Lesson
What are fat arrow functions and how do they work?
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Frequently Asked Questions
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- Yes. Where applicable, I cover new ES6 functions and browser APIs. I also include polyfills when available to push browser support as far back as possible.
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