User Input in JavaScript | Tutorial for Beginners

User Input in JavaScript | Tutorial for Beginners

In this video we'll work through examples of User Input in Javascript and examples of how to handle the input data we receive.

In this video we'll work through examples of User Input in Javascript and examples of how to handle the input data we receive.

✅ Quick Concepts outline: User Input in Javascript (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

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