PUBLIC MARKS from decembre with tag selecteur

The Developer Edition is the replacement for Firebug https://www.mozilla.org/en-US/firefox/developer/Yes, I know you can right click and copy the css or xpath, but thats not what I am asking. I am asking about the functionality that was provided by firefinder add on. Does FF offer that somewhere now that firebug was removed and added to the developer version.

Auto-play an HTML5 video on Dom Load using jQuery The jQuery selector $("#video") returns a jQuery object. Since play() is a function of the DOM element, you must get the DOM element with: $("#video").get(0); before using .play() method: $("#video").get(0).play();

You can inspect the Firefox user interface directly with DOM Inspector. (Which is not the same Inspector as in the Web Developer menu.) [addons.mozilla.org] https://addons.mozilla.org/en-US/firefox/addon/dom-inspector-6622/Click the icon in the upper-left corner of DOMi, the one with a pointer on it, then click anywhere in the browser to select an element; that element will be highlighted in the left column. Right-click the highlighted entry to display a context menu: "Copy Selector" suggests selectors for the element, "Set Pseudo-classes..." lets you switch on :hover. Notice that the browser itself is a document with its own URI, chrome://browser/content/browser.xul, Most of the browser chrome is XUL, but some, such as the Stylish editor, is HTML embedded in XUL. https://developer.mozilla.org/en-US/docs/XUL

The best guide you can have to understand nth-child

The :target pseudo selector in CSS matches when the hash in the URL and the id of an element are the same.

Pour un clic sur un onglet, masquer tous les panneaux, montrer celui qui correspond à l'onglet juste cliqué.