In this tutorial, we will take a look at form validation using jQuery. We will start by discussing the different types of validation you can do with it, and then dive into how to validate your own forms. Form validation is one of the most important parts of web development. It helps the user to know if they have provided all the necessary information and also alerts them in case they provide an invalid input, Form validation is a security measure to ensure that the data entered by the user is valid.
jQuery offers a lot of different plugins that enable form validation. These plugins can validate email, text, number, range and many other types of inputs.
The following are some of the most popular jQuery form validation plugins:
1) Validation Plugin 2) jQuery UI 3) Chosen
4) jQuery Validation Plugin
What is jQuery?
The purpose of form validation is to ensure that users enter data in a way that makes sense. There are many different types of validations that can be applied to forms. These include:
- Required Fields - Ensure that a field is filled out before submitting the form.
- Length - Make sure that a user enters a number, letter, or special character.
- Email - Check if a user entered a valid email address.
- Number Range - Make sure that a value falls between two numbers.
- Date Range - Make sure that the date format is correct.
- Regular Expression - Make sure that a string matches a regular expression.
- Custom Rules - Create custom rules for each input field.
The following example shows how to use jQuery to validate a form:
In this section, we will learn how to validate form fields using jQuery.
Form validation for the clientside using jQuery plugin :
Validation is important for the user’s experience with the form. It helps to improve the user interface and saves them from filling in unnecessary fields. The validation process is also essential for web developers as it protects against errors in form submission and data loss. Form validation is a process of checking if the inputted data on a webpage is sufficient to fulfill its intended purpose. Form validation can be done as part of this process or separately, but is generally done at both stages to increase overall compatibility and validity of form submission.