Web Dev Roadmap for Beginners (Free!): https://bit.ly/DaveGrayWebDevRoadmap

In this video we'll discuss JavaScript numbers and several useful JavaScript number methods. All in less than 8 minutes!

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

✅ Quick Concepts outline:
(00:00) Intro
(0:08) Dev Environment
(0:30) Integers
(0:42) Floats
(0:50) When JavaScript shows decimals
(1:10) Number data vs String data in the console window
(1:20) Comparing Integers and Floats
(1:47) Equations with Strings vs Numbers
(2:05) The Number() function
(2:33) "Not a Number" aka NaN
(2:50) Boolean data represented as Numbers
(2:58) 0 === false
(3:06) isInteger() method
(3:21) parseFloat() method
(3:47) toFixed() method
(4:04) parseInt() method
(4:17) toString() method
(4:35) Chaining methods using dot notation
(5:00) Number.isNaN() method vs global isNaN() function

📚 Further Reading:
MDN Web Docs - Number Reference: https://developer.mozilla.org/en-US/d...
MDN Web Docs - Basic Math in JavaScript: https://developer.mozilla.org/en-US/d...

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

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

#Javascript #Numbers #Tutorial