Layout.css.report errors

From MozillaZine Knowledge Base

The title given to this article is incorrect due to technical limitations. The correct title is layout.css.report_errors.

This article describes the preference layout.css.report_errors. To add, delete, or modify this preference, you will need to edit your configuration — do not edit this article.

1 Background
2 Possible values and their effects
- 2.1 True
- 2.2 False
3 Caveats
4 First checked in
5 Has an effect in
6 Related bugs
7 Related preferences

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Background

The CSS parser now sends parse errors to the JavaScript Console — these include messages such as “Unknown property 'x'. Declaration dropped.”, “Error in parsing value for property 'x'. Declaration dropped.”, and “Expected 'x' but found 'y'. Declaration dropped.”. While these messages are helpful to web developers for diagnosing problems with web page appearance, they tend to clutter the JavaScript Console. This preference allows the parse errors to be disabled.

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Possible values and their effects

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True

Report CSS parse errors and display them in the JavaScript Console. (Default)

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False

Suppress CSS parse error messages.

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Caveats

Since this feature is not included in Firefox 1.5 (but the parse errors are reported), users may want to use the Console² extension to suppress CSS errors in the JavaScript Console.

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