HTML5 Developer’s Cookbook > HTML5 Web Forms > Intermediate Recipe: Writing Your Own Validation Rule

Table of Contents

Download Safari Books Online apps: Apple iOS | Android

Entire Site

Free Trial

Safari Books Online is a digital library providing on-demand subscription access to thousands of learning resources.

This Book

HTML5 Developer’s Cookbook

Search

Introduction

Acknowledgments

About the Authors

Ch. 1. New Structural Elements in HTML5

Ch. 2. Grouping, Text-Level, and Redefined Semantics

Ch. 3. Browser Handling in HTML5

Ch. 4. New Layout and Style Techniques with CSS3

Ch. 5. HTML5 Web Forms

Validation

HTML 4 Input Types

Beginner Recipe: Creating a Form to Collect Contact Information

Beginner Recipe: Creating a Search Form with input type="search"

Beginner Recipe: Creating Calendar and Time Controls

Beginner Recipe: Creating a Number Picker

Beginner Recipe: Creating a Slider (Without the Need for JavaScript)

Beginner Recipe: Creating a Color Picker

Beginner Recipe: Displaying Results with the output Element

Beginner Recipe: Using Form Placeholder Text

Beginner Recipe: Creating an Autocomplete Feature with list and datalist

Beginner Recipe: Tracking the Completion of a Task with the progress Element

Beginner Recipe: Measuring with the meter Element

Beginner Recipe: Jumping to a form Element When the Page Loads

Beginner Recipe: Allowing Multiple Entries

Beginner Recipe: Basic Validation with the required Attribute

Intermediate Recipe: Writing Your Own Validation Rule

Beginner Recipe: Limiting User Input

Intermediate Recipe: Customizing and Styling the Form

Error Messages

Advanced Recipe: Putting It All Together to Make a Sign-Up Form

Summary

Ch. 6. Drawing with Canvas

Ch. 7. Embedding Video with HTML5

Ch. 8. Embedding Audio with HTML5

Ch. 9. Changing Browser History

Ch. 10. Location Awareness with the Geolocation API

Ch. 11. Client-Side Storage

Ch. 12. Communication and Threading

Ch. 13. Browser Experience in HTML5

Ch. 14. Working with Local Files

Ch. 15. Integrating Device Data

Recipes

Index

Intermediate Recipe: Writing Your Own Validation Rule

Even though HTML5 has built-in validation, you can set your own rules using the pattern attribute and regular expressions.

Table 5.18. `pattern` Attribute Device and Browser Support
Android	-
Chrome	10.0+
Firefox	4.0+
Internet Explorer	-
iOS Safari	-
Opera	11.0+
Safari	-

You are currently reading a PREVIEW of this book.

Get instant access to over
$1 million worth of books and videos.

Start a Free Trial

Download Safari Books Online apps: Apple iOS | Android

This Book

Search

Contents

Chapter 5. HTML5 Web Forms > Intermediate Recipe: Writing Your Own Validation R...

Intermediate Recipe: Writing Your Own Validation Rule

Table 5.18. pattern Attribute Device and Browser Support

Table 5.18. `pattern` Attribute Device and Browser Support