w3resource

JavaScript Validation - Exercises, Practice, Solution

JavaScript validation [10 exercises with solution]

[An editor is available at the bottom of the page to write and execute the scripts.  Go to the editor]

1. Write a JavaScript function to validate whether a given value type is boolean or not.

Click me to see the solution

2. Write a JavaScript function to validate whether a given value type is an error or not.

Click me to see the solution

3. Write a JavaScript function to validate whether a given value type is NaN or not.

Click me to see the solution

4. Write a JavaScript function to validate whether a given value type is null or not.

Click me to see the solution

5. Write a JavaScript function to validate whether a given value is a number or not.

Click me to see the solution

6. Write a JavaScript function to validate whether a given value is an object or not.

Click me to see the solution

7. Write a JavaScript function to validate whether a given value type is a pure JSON object or not.

Click me to see the solution

8. Write a JavaScript function to validate whether a given value is RegExp or not.

Click me to see the solution

9. Write a JavaScript function to validate whether a given value type is char or not.

Click me to see the solution

10. Write a JavaScript function to check whether the given values are the same or not.

Click me to see the solution

More to Come !

* To run the code mouse over on Result panel and click on 'RERUN' button.*

Live Demo:

See the Pen javascript-common-editor by w3resource (@w3resource) on CodePen.


Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.



Follow us on Facebook and Twitter for latest update.