JavaScript Cookbook > Handling Events > Canceling an Event Based on Changed Circumstance

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JavaScript Cookbook

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Preface

Ch. 1. Working with JavaScript Strings

Ch. 2. Using Regular Expressions

Ch. 3. Dates, Time, and Timers

Ch. 4. Working with Numbers and Math

Ch. 5. Working with Arrays and Loops

Ch. 6. Building Reusability with JavaScript Functions

Ch. 7. Handling Events

recipe 7.1. Introduction

recipe 7.2. Detecting When the Page Has Finished Loading

recipe 7.3. Capturing the Location of a Mouse Click Event Using the Event Object

recipe 7.4. Creating a Generic, Reusable Event Handler Function

recipe 7.5. Canceling an Event Based on Changed Circumstance

recipe 7.6. Preventing an Event from Propagating Through a Set of Nested Elements

recipe 7.7. Capturing Keyboard Activity

recipe 7.8. Using the New HTML5 Drag-and-Drop

recipe 7.9. Using Safari Orientation Events and Other Mobile Development Environments

Ch. 8. Browser Pieces

Ch. 9. Form Elements and Validation

Ch. 10. Debugging and Error Handling

Ch. 11. Accessing Page Elements

Ch. 12. Creating and Removing Elements and Attributes

Ch. 13. Working with Web Page Spaces

Ch. 14. Creating Interactive and Accessible Effects with JavaScript, CSS, and ARIA

Ch. 15. Creating Media Rich and Interactive Applications

Ch. 16. JavaScript Objects

Ch. 17. JavaScript Libraries

Ch. 18. Communication

Ch. 19. Working with Structured Data

Ch. 20. Persistence

Ch. 21. JavaScript Outside the Box

Colophon

Index

recipe 7.5. Canceling an Event Based on Changed Circumstance

7.5.1. Problem

You need to cancel an event, such as a form submission, before the event propagates to other elements.

7.5.2. Solution

Create a reusable function that will cancel an event:

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Contents

Chapter 7. Handling Events > Canceling an Event Based on Changed Circumstance

recipe 7.5. Canceling an Event Based on Changed Circumstance

7.5.1. Problem

7.5.2. Solution