Javascript Tutorials for Beginners - JavaScript Numbers, Number Methods, isNaN | JavaScript Tutorial for Beginners

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: https://www.youtube.com/playlist?list=PL0Zuz27SZ-6Oi6xNtL_fwCrwpuqylMsgT ✅ 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/docs/Web/JavaScript/Reference/Global_Objects/Number MDN Web Docs - Basic Math in JavaScript: https://developer.mozilla.org/en-US/docs/Learn/JavaScript/First_steps/Math 📺 More Beginner JS Videos: freeCodeCamp: https://youtu.be/PkZNo7MFNFg Traversy Media: https://youtu.be/hdI2bqOjy3c The Net Ninja: https://youtu.be/iWOYAxlnaww ✅ Follow Me: Twitter: https://twitter.com/yesdavidgray Medium: https://medium.com/@davegray_86804 #Javascript #Numbers #Tutorial