This video tutorial teaches you how to make form validation using JavaScript. The video starts by explaining the concept of form validation and why it is important. Then, it shows how to validate a form using the required attribute and the onsubmit event listener. Finally, it shows how to create a custom form validation function.
The video also explains the following concepts:
What is form validation?
Why is it important to use form validation?
How to validate a form using the required attribute
How to validate a form using the onsubmit event listener
How to create a custom form validation function
The video is well-paced and easy to follow. It is a great resource for anyone who wants to learn how to make form validation using JavaScript.
Here are some additional details about the steps involved in making form validation using JavaScript:
Add the required attribute to the input fields that you want to be required.
Add the onsubmit event listener to the form and use it to call a function that validates the form.
In the form validation function, check each input field to make sure that it is not empty.
If an input field is empty, display an error message.
Once you have completed these steps, your form will be validated using JavaScript. You can then customize the error messages to your liking.
