Chapter 5. Debugging and Inspecting Pages with Developer Tools

In-browser development tools are all about experimentation—while most of your development might take place in Dreamweaver, Aptana, or vi, those development environments don't always provide enough insight into how your page will behave in an actual browser. That's where the IE developer tools come in: they ensure your pages look, feel, and act the way you intended. A wide variety of tools are included in the package, covering a number of important scenarios in the development process: a markup inspector for analyzing HTML, a layout and styles inspector for CSS and element positioning, a JavaScript debugger for deducing problems with script, a script profiler for analyzing script performance, ...

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