Web Dev Roadmap for Beginners (Free!): https://bit.ly/DaveGrayWebDevRoadmap In this video we'll work through examples of User Input in Javascript and examples of how to handle the input data we receive. ▶ This video is part of the JavaScript Tutorials for Beginners Playlist found here:    • Javascript Tutorials for Beginners   ✅ Quick Concepts outline: User Input in Javascript (00:00) Intro (0:15) Dev Environment (0:45) alert notifications (1:45) confirm notifications with boolean data (2:35) Receiving data input from the user (3:10) prompt notifications with string data (4:05) Possible null values returned (4:43) Nullish Coalescing Operator (6:10) How to check for an empty string (7:15) An easy mistake to make! (7:20) How to check data before accessing properties and methods (8:50) Eliminating extra white space from user input 📚 Further Reading: MDN Web Docs: alert: https://developer.mozilla.org/en-US/docs/Web/API/Window/alert confirm: https://developer.mozilla.org/en-US/docs/Web/API/Window/confirm prompt: https://developer.mozilla.org/en-US/docs/Web/API/Window/prompt Nullish Coalescing Operator: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Nullish_coalescing_operator 📺 More Beginner JS Videos: freeCodeCamp: https://www.youtube.com/watch?v=PkZNo7MFNFg Traversy Media: https://www.youtube.com/watch?v=hdI2bqOjy3c The Net Ninja: https://www.youtube.com/watch?v=iWOYAxlnaww ✅ Follow Me: Twitter: https://twitter.com/yesdavidgray Reddit: https://www.reddit.com/user/DaveOnEleven Medium: https://medium.com/@davegray_86804 #User #Input #Javascript