jQuery Recipes: Find Ready-Made Solutions to All Your jQuery Problems

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2022

B. HarwanijQuery Recipeshttps://doi.org/10.1007/978-1-4842-7304-3_4

4. Form Validation

Bintu Harwani¹  

(1)

Ajmer, Rajasthan, India

 

In this chapter, you will explore different ways of form validation. You will be learning the following recipes in this chapter:

• Confirming the essential field is not left blank

• Confirming only numerals are allowed

• Validating phone numbers

• Validating the user id

• Validating a date

• Validating an email address

• Checking whether a checkbox is checked or not

• Finding if a radio button is selected or not

• Finding if any option from a select element is selected or not

• Applying styles to options and form buttons

• Checking and unchecking all checkboxes ...