Bookmarklet
Diigo Bookmarks 05/12/2011
<p class="diigo-description"> “Jash is a DHTML-based window that gives you command-line JavaScript access to the current browser window. With this console you can quickly debug scripts, manipulate the DOM, view the current page’s objects, functions, and variables, execute arbitrary Javascript, enter new CSS (in IE, Firefox, Opera, and Safari), and much more.” – A useful tool to execute JavaScript, make live (temporary) CSS changes to a page, discover the page structure, etc.