Functions in Javascript | Javascript Functions Tutorial

Published: 04 September 2020
on channel: Dave Gray

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In this video we'll look at examples of Functions in Javascript and learn how to create our own functions that are blocks of reusable code!

▶ This video is part of the JavaScript Tutorials for Beginners Playlist found here:    • Javascript Tutorials for Beginners

✅ Quick Concepts outline:
Functions in Javascript
(00:00) Intro
(0:15) Built-in Functions
(0:55) Functions are reusable code blocks
(1:12) Function Declaration Syntax
(1:20) Creating a Basic Function: sum()
(2:09) Calling a Function into action
(2:50) Passing Parameters to a Function
(3:30) Creating Reusable Code with Functions
(3:50) Missing Parameters
(4:30) Handling Missing Parameters
(5:20) Another Function Example: getUserNameFromEmail()
(7:10) Is it reusable? Yes!
(7:30) Anonymous Functions
(8:30) Arrow Functions
(9:05) Creating One More Function: toProperCase()

📚 Further Reading:
MDN Web Docs:
Functions: https://developer.mozilla.org/en-US/d...
Eloquent JavaScript Chapter 3:
https://eloquentjavascript.net/03_fun...

📺 More Beginner JS Videos:
freeCodeCamp:    • Learn JavaScript - Full Course for Beginners
Traversy Media:    • JavaScript Crash Course For Beginners
The Net Ninja:    • Modern JavaScript Tutorial #1 - Intro & Setup

✅ Follow Me:
Twitter:   / yesdavidgray
Reddit:   / daveoneleven
Medium:   / davegray_86804

#Functions #Javascript #Tutorial

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