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jQuery 2.0 Development Cookbook

You're reading from   jQuery 2.0 Development Cookbook As a web developer, you can benefit greatly from this book - whatever your skill level. Learn how to build dynamic modern websites using jQuery. Packed with recipes, it will quickly take you from beginner to expert.

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Product type Paperback
Published in Feb 2014
Publisher Packt
ISBN-13 9781783280896
Length 410 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Leon Revill Leon Revill
Author Profile Icon Leon Revill
Leon Revill
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Toc

Table of Contents (12) Chapters Close

Preface 1. Document Object Model Manipulation FREE CHAPTER 2. Interacting with the User by Making Use of jQuery Events 3. Loading and Manipulating Dynamic Content with AJAX and JSON 4. Adding Attractive Visuals with jQuery Effects 5. Form Handling 6. User Interface 7. User Interface Animation 8. Understanding Plugin Development 9. jQuery UI 10. Working with jQuery Mobile Index

Implementing basic form validation

At the most basic level of form validation, you will need to be able to prevent the user from submitting empty values. This recipe will provide the HTML and CSS code for a web form that will be used for recipes 1 through 8 of this chapter.

Getting ready

Using your favorite text editor or IDE, create a blank HTML page in an easily accessible location and save this file as recipe-1.html. Ensure that you have the latest version of jQuery downloaded to the same location as this HTML file.

This HTML page will form the basis of most of this chapter, so remember to keep it after you have completed this recipe.

How to do it…

Learn how to implement basic form validation with jQuery by performing the following steps:

  1. Add the following HTML code to index.html. Be sure to change the source location of the JavaScript included for the jQuery library, pointing it to where the latest version of jQuery is downloaded on your computer.
    <!DOCTYPE html>
    <html xmlns...
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