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jQuery 2.0 Development Cookbook

jQuery 2.0 Development Cookbook

By : Leon Revill
4.2 (12)
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jQuery 2.0 Development Cookbook

jQuery 2.0 Development Cookbook

4.2 (12)
By: Leon Revill

Overview of this book

Taking a recipe-based approach, this book presents numerous practical examples that you can use directly in your applications. The book covers the essential issues you will face while developing your web applications and gives you solutions to them. The recipes in this book are written in a manner that rapidly takes you from beginner to expert level. This book is for web developers of all skill levels. Although some knowledge of JavaScript, HTML, and CSS is required, this Cookbook will teach jQuery newcomers all the basics required to move on to the more complex examples of this book, which will benefit the more seasoned jQuery developer. If you want to learn how to create modern website features quickly, using best practice techniques, then this book is for you.
Table of Contents (12 chapters)
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11
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="http...
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