Hello Everyone, Thanks for choosing to invest your time in reading my blog 😅.
In this blog, I am going to discuss regarding Form validations and its important.
So let's get started
What is Form validation ?
Form validation is a process and logic by which you ensure that user is entering the correct and required information in the webforms. Form validation ensures that your forms are not getting abused with the information which may lead to some unwanted consequences.
There are mainly two types of form validations
- Client-side form validation
- Server-side form validation
Importance of form validation.
Form validation is an integral part of handling forms in any modern day application be it a web application, desktop application or even a mobile application. If you choose to skip the form validations then you may end up in a great mess. Because if there is not any sort of validation on forms then user can enter any malicious data into the form fields which can cause you following issues
It may lead to some severe attacks on your product such as cross site scripting, header injection attacks and sql injection attacks.
User may start providing the unrelated and abusive information which might not be useful for you in anycase and hence end up increasing your resources bill.
Why should you focus on Client-side validation along with server-side validation.
Server side validation is good as it serves the purposes of guarding against such attacks by sanitizing the information and all. But the real issue is that every request to the server is costly.
For example -> Let's say user enters the wrong information and then submits the form, then user will have to wait until the server performs any actions on the submitted data. Now if data entered is wrong then user will get an error and will have to submit form again. What if the user gets it wrong second time ? third time? fourth time too?
Can you imagine how costly this little operation can be for your server ?
That's why client side is something you should not think about skipping. There are numerous advantages of implementing the client side validation. Some of them are as following.
- It is not as costly as server side validation.
- User can get feedback about entered data as soon as they provide it . That is even before they submit the form.
- It is easy to implement.
- Saves the load on server.
- It enhances the user experience.
If you think that it is hard to implement, take a deep breathe there are alot of third party libraries which can be your saviour 😉
List of some third party libraries for validation.
- vuelidate
- VeeValidate (My personal Favourite for validation in vue applications)
- joi
- validator
- yup
Conclusion
In this blog we have talked about the importance of validations. Also, we can understand that validation is very small tool but it can have an huge impact on your application if you try to emit it from you application.
PS:- If you are building any sort of full stack application try to minimize the network request and load on your servers where ever possible 💯
Thank you for reading 😃 . Happy Learning