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These bookmarklets let you quickly search, open, or list links on whatever page you're viewing. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

JavaScript Shell A command-line interface for JavaScript and DOM. Open the shell or get the Shell bookmarklet (Firefox only). Features You can enter statements and expressions at the same prompt. The result of each non-void statement or expression is shown. User-defined variables. b = document.body User-defined functions. function f() { return 5; } JavaScript error messages are shown in red. Previ

I gave my new fuzzer a break from testing TraceMonkey by asking it to look for differences between SpiderMonkey and JavaScriptCore. I have listed them below, with SpiderMonkey output above JavaScriptCore output. I have no idea how many of these are bugs (in SpiderMonkey or JavaScriptCore) and how many are ambiguous in the spec (intentionally or unintentionally). Early error reporting SpiderMonkey

These bookmarklets help you deal with annoying web pages. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

These bookmarklets let you control cartoons and other movies made with Macromedia Flash. They require Scriptable Flash. On Linux, you need Flash Player 7.0r25 or higher. On Windows, you may have to reinstall Flash for them to work. Test them at Where is the Cheat? or The End of the World. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, instal

Subscribe To receive a message when I update this page, please subscribe to my spam-free announcement list. E-mail: Old announcements December 3, 2005 Web Development make img tag September 10, 2005 Web Development serialize as xml (read more) August 14, 2004 Misc babelfish google translate July 18, 2004 Flash seek bar seek bar for IE May 16, 2004 Web Development topographic view based on a bookma

Bookmarklets Bookmarklets are free tools to help with repetitive or otherwise impossible tasks in your web browser. To use a bookmarklet from this site on another web page: 1. Drag the bookmarklet (e.g. zoom images in or zap colors) to your Bookmarks Toolbar or Links Bar. 2. While viewing a page you want to use the bookmarklet on, click the bookmarklet from your Bookmarks Toolbar. Bookmarklet cate

These bookmarklets let you see how a web page is coded without digging through the source, debug problems in web pages quickly, and experiment with CSS or JS without editing the actual page. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

These bookmarklets let you interact with forms on web pages more efficiently. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

These bookmarklets let you check pages for correctness, standards-compliance, and several aspects of accessibility. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

These bookmarklets help you deal with annoying web pages. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

// ==UserScript== // @namespace http://www.squarefree.com/jsenv/autogenerated // @name Unnamed script // @description Undescribed script // ==/UserScript== print("Squares of numbers 0 through 4:"); for (var i = 0; i < 5; ++i) print(i * i); this.statement.causes(an.error);

Update 2007-11-06: see also my more recent post on this topic, Firefox memory usage and memory leak news, from September 2007. One of the more common complaints about Firefox 1.5 was that it leaked a lot of memory. I don't know how often these leaks were severe enough to cause noticeable slowdowns or thrashing, but enough Firefox users seem to care about memory leaks that I thought I'd post someth

This page describes some things that web developers need to know about web browsers in order to create sites that don't have security holes. This is still a draft, as you might be able to guess from the number of "TODO:" items and the poor separation of opinion from fact. Cross-site scripting (XSS) Password fields in user-submitted HTML Cross-site request forgery (CSRF) Other common holes Should I

These bookmarklets let you use the text and other content of a web page in new ways. (To keep bookmarklets in order to use them on other web pages, drag them to your Bookmarks Toolbar. Or, install them all at once.)

User Styles User styles let you change the way your browser displays web pages. How to use the style rules listed on this page To use a style on all sites: use Stylish (a Firefox extension), or manually put the style in a user style sheet. To use a style on a specific site: use per-site rules (Firefox only) with the methods above. To use a style whenever you click a button: use the bookmarklet cre

Pornzilla: Porn surfing redefined Pornzilla is a collection of tools for surfing porn with Firefox. These bookmarklets and extensions make it easier to find and view porn, letting you spend more time looking at smut you like. (Not using Firefox? Read why Firefox is the best porn browser and then download Firefox. Firefox, like everything else on this page, is free.) Bookmarklets Drag these bookmar

Speed & memory: Fixed: 678037 - JS: Lazy bytecode generation. Fixed: 883154 - JS: Add runtime wide cache for compiled lazy scripts. Fixed: 875276 - JS: Don't create types for scripts until they are compiled by baseline. Fixed: 868431 - JS: IonMonkey: Require baseline compilation, remove bailout-to-interpreter code. Fixed: 845147 - Janky scrolling on pages with many small images. Fixed: 873640 - Re