December 2006
Intermediate to advanced
1312 pages
35h 17m
English
Content preview from Windows Developer Power Tools
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22.5 Debugging Web Pages at Runtime with DOM Helper
Troubleshooting web pages often involves hours of trial-and-error work trying to resolve irritating issues with CSS rules or a page’s document structure. DOM Helper is an IE Explorer bar tool designed to help resolve issues with a web page while the page is live on a server.
DOM Helper enables you to pinpoint exactly where your page is going wrong by allowing you to view and dynamically modify its Document Object Model. You can also make changes to the CSS and view the effects of the modifications as you make them.
DOM Helper also gives you the ability to incorporate your own .NET assemblies to provide custom functionality. You can avoid the hassle of writing your own Explorer bar and instead inherit a class and focus on the functionality you want to create.
Today, more and more designers are creating sites that rely heavily on well--structured HTML and CSS to position and display the elements on the page. Internet Explorer has many positioning quirks that can easily be resolved by changing just a few CSS rules and DOM properties; with DOM Helper, this is easier than ever.
Dynamic HTML adds additional complexity to the picture as IE creates new DOM objects on the fly. DOM Helper assists the developer in debugging by exposing the DOM structure with these dynamic objects included.
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|---|---|
Tool | DOM Helper |
Version covered | 1.0.1 ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.