The onerror event
by Dori Smith, Tom Negrino
JavaScript and Ajax for the Web: Visual QuickStart Guide, Seventh Edition
- Copyright
- Special Thanks to
- Introduction
- Getting Acquainted with JavaScript
- Start Me Up!
- Your First Web App
- Working with Images
- Creating Rollovers
- Creating More Effective Rollovers
- Building Three-State Rollovers
- Triggering Rollovers from a Link
- Making Multiple Links Change a Single Rollover
- Working with Multiple Rollovers
- Creating Cycling Banners
- Adding Links to Cycling Banners
- Building Wraparound Slideshows
- Displaying a Random Image
- Cycling Images with a Random Start
- Frames, Frames, and More Frames
- Working with Windows
- Form Handling
- Forms and Regular Expressions
- Handling Events
- JavaScript and Cookies
- Objects and the DOM
- Making Your Pages Dynamic
- Introducing Ajax
- Ajax Toolkits
- Applied JavaScript
- Designing with Ajax
- Bookmarklets
- JavaScript Genealogy and Reference
- JavaScript Reserved Words
- Cascading Style Sheets Reference
- Where to Learn More
The onerror event
The onerror event may be triggered when a JavaScript error occurs on the page.
✓ Tip
It can be polite to set onerror = null; in complex pages you put on the Web. With this line of code on your page, some error messages will not be displayed to the user in the unfortunate event that there’s a problem—but which errors will be hidden depends on the browser.
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