PUBLIC MARKS from decembre with tags firefox & development

Use the Inspector to examine and modify the structure and layout of a page. There are two main ways to open the Inspector: - without an element selected: choose the "Inspector" option from the "Web Developer" menu or the equivalent keyboard shortcut - with an element selected: right-click an element on a web page and select "Inspect Element"

A group of developers working towards a client-side solution for delivering alternate image data based on device capabilities to prevent wasted bandwidth and optimize display for both screen and print.

Firefox and other XULRunner applications store user settings and data in special folders, called profiles. Firefox provides a built-in applet to manage these profiles, but it will eventually be going away (see bug 214675), so a new standalone Profile Manager application has been created, which works with any XULRunner application, and has many features not found in Firefox's built-in version.

A Complete List Of Firefox Extensions For Web Developers January 7th, 2009 in Tools

XUL (XML User Interface Language) is Mozilla's XML-based language that lets you build feature-rich cross platform applications that can run connected or disconnected from the Internet. These applications are easily customized with alternative text, graphics and layout so they can be readily branded or localized for various markets. Web developers already familiar with Dynamic HTML (DHTML) will learn XUL quickly and can start building applications right away. Open XUL Periodic Table in Firefox or another Gecko-based browser to see some XUL demos.

The DOM Inspector (also known as DOMi) is a developer tool used to inspect, browse, and edit the Document Object Model of documents - usually web pages or XUL windows. The DOM hierarchy can be navigated using a two-paned window that allows for a variety of different views on the document and all nodes within.

for Firebug that makes possible to view and manage cookies in your browser

Explications pas à pas sur la construction d'une extension pour Firefox.

ImageData Une icône 16×16 encodée en Base64 représentant le moteur de recherche. The data: URI kitchen (en) est un outil très pratique pour générer les données à placer ici

if you get the excellent "web developers extension" addons.mozilla.org/extensions/moreinfo.php?id=60 for firefox, it has a tool that lets you edit the style of a page on the fly. it also then lets you save it and apply that style sheet to the whole site.

Tristan Nitot sur les standards du Web, les navigateurs et la technologie