JavaScript Validation: Range Check Tutorial

JavaScript Validation: Range Check Tutorial

Greetings, today we are here with a JavaScript tutorial. We shall be doing a range check validation on a string. This can be useful if you want to control the size of the user's input.

This is a type of length check. We are checking if the length is within a range of values. Let's say we want the input to be greater than 4 characters long but shorter than 8 characters long. The name "Max" would be invalid as that isn't greater than 3 characters. The name "Elizebeth" would also be invalid as it is greater than 8 characters. The name "Jeff" would be valid as it is greater than 3 characters and less than 8.

Thanks for watching this JavaScript range check tutorial.

This tutorial is aimed at beginners.

Wait for user input in JavaScript: https://www.youtube.com/watch?v=gCQtSbPGjZM

Source code for waiting for user input in JavaScript: https://pastebin.com/MuMPBUp0

This tutorial is aimed at beginners.

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