JavaScript

ECMA-262 standard
Tutorials: Voodoo’s Introduction to Javascript🏚️, W3 Schools, JavaScript Garden, javascript.info, The Principles of Object-Oriented JavaScript
Profiling: spy-js
Code documentation: JSDoc
FAQ: Meta-FAQ
Minifiers: JSMin🏚️, Dean Edwards Packer, MiniME, Closure Compiler, Wikipedia list
Java implementations: Nashorn
Demos: Chrome Experiments
json.org
JSONLint
Node.js
Deno: personal notes
hapi
State of JavaScript
personal notes

Articles and videos

Pnglets🏚️ by Roger E Critchlow Jr. (1999) ► Some (client-side) JavaScript code to write PNG images on the flight.
XML and Java: A potent partnership, Part 3 — Learn how to integrate Java and JavaScript, two popular programming languages by Todd Sundsted (August 1999) ► This is an introduction to Rhino, a JavaScript interpreter written in Java.
Javascript Closures by Richard Cornford (April 2004) ► A detailed description of closures.
Errors and AJAX by Joshua Gitlin (May 11^th, 2005) ► The author describes an implementation logging the client-side JavaScript errors on the server, so they can be analysed and fixed.
Life After Ajax? by Micah Dubinko (June 29^th, 2005) ► The author asks for higher level technologies (e.g. languages) instead of using AJAX which is too difficult to debug.
Scope chain of JScript Functions🚫 by Don Raman (July 26^th, 2006) ► A shorter explanation of the scope chain.
Best Practices in Javascript Library Design by John Resig (August 17^th, 2007) ► John Resig gives some advice for library developers: orthogonality, API as small as possible, encapsulation, documentation, testing…
The Lively Kernel by Dan Ingalls and Krzysztof Palacz (January 24^th, 2008) ► A demo of the Lively Kernel, a kind of SmallTalk reincarnation, a self-supporting computing kernel written in JavaScript and using SVG.
Drop-in JavaScript Performance by John Resig (January 30^th, 2009) ► A description of the improvements coming in the future releases of the Browsers.
YUI Theater — John Resig: “The DOM Is a Mess”↑🗑️ by John Resig (February 2^nd, 2009) ► How to work around the bugs of the Browser JS engines or their missing features, how to not pollute outside code…
JavaScript: The Good Parts↑ by Douglas Crockford (February 28^th, 2009) ► Some do’s and don’t’s for JavaScript.
YUI Theater — PPK (Peter-Paul Koch): “JavaScript Events”🗑️ by Peter-Paul Koch (April 23^rd, 2009) ► After speaking about JavaScript implementations on usual computers (key events, change event, and event bubbling vs. event capturing), Peter-Paul Koch describes the mess with current JS implementation on mobile phones and gives some rules to deal with them.
Speed Up Your JavaScript by Nicholas C. Zakas (June 5^th, 2009) ► Some low-level JavaScript optimisations: taking care of variable scope, data access (literal vs. variable vs. object property vs. array item), loops, and DOM.
Nicholas Zakas: Scalable JavaScript Application Architecture by Nicholas C. Zakas (September 2009) ► How to define a layered JavaScript framework: base library, application core, sandbox, and modules. The slides are available here.
Project JSMeter: JavaScript Performance Analysis in the Real World🗑️ by Charles, Erik Meijer, Ben Livshits, and Ben Zorn (March 28^th, 2010) ► Two Microsoft guys have analysed how JS is really used on the Web.
Event delegation in JavaScript by Nicholas C. Zakas (June 30^th, 2010) ► An explanation of event bubbling and capturing.
Building a JavaScript-Based Game Engine for the Web by Paul Bakaus (July 10^th, 2010) ► Paul Bakaus explains his technical choices and some of the performance tricks he used to implement Aves Engine, a 2D/isometric game engine.
Philip Tellis: Measuring the Web with Boomerang by Philip Tellis (November 8^th, 2010) ► The presentation of Boomerang, a JavaScript library used to measure latency and bandwidth and to send them back to the server.
Strict Mode Is Coming To Town🗑️ by Douglas Crockford (December 14^th, 2010) ► A short introduction to the strict mode.
Introducing HTML 5 Web Workers: Bringing Multi-threading to JavaScript by Rob Gravelle (2011) ► A short introduction to Web Workers.
Determine an Image's Type using the JavaScript FileReader by Rob Gravelle (2011) ► How to check a file type by extracting and checking its Magic Number.
Use JavaScript to Add a Read More Link When Text is Copied From Your Site by Scott Clark (January 2011) ► A presentation of Tynt Insight service which adds a link to text cut ’n pasted from your site. I do not see the interest of this: people (probably the majority) who don’t want the link will delete it, people who want the link could add it by themselves.
7 minutes on recent DOM APIs by Paul Irish (September 29^th, 2011) ► element.classList, element.dataset, window.matchMedia(), element.textContent, and element.matchesSelector().
Utilizing Web Workers and Shared Web Workers by Rob Gravelle (December 8^th, 2011) ► The same with Shared Web Workers.
JS Coding Standards⇊ by Samuel Mburu (2012) ► Some JavaScript Coding Rules… very badly explained.
Douglas Crockford: Principles of Security by Douglas Crockford (March 5^th, 2012) ► There is nothing new here, but, as usual with Douglas Crockford, this presentation contains some good information.
Fluent 2012: Steve Souders, "Your Script Just Killed My Site" by Steve Souders (May 30^th, 2012) ► Loading synchronously a third party script may result in blocking your site.
Best of Fluent 2012 - You don't need a Framework for that! by Estelle Weyl (May 31^st, 2012) ► Some simple tasks can be done without loading jQuery, but by using classList, getElementById, getElementsByClassName, querySelector, querySelectorAll, data- attributes, CSS.
Paul Irish, "JavaScript Development Workflow of 2013" by Paul Irish (June 1^st, 2012) ► A quick presentation of the current JavaScript development tools.
Fluent 2012: Gary Flake, "Bookmarklets as Applications" by Gary William Flake (June 1^st, 2012) ► The technical tricks used by Clipboard.com to capture a part of a page and redisplay it in their site.
Just cause it’s JavaScript, doesn’t give you a license to write rubbish by Hadi Hariri (June 6^th, 2012) ► Software best practices can and should be used with JavaScript.
Adventures in Single Page Applications by Mikito Takada (October 15^th, 2012) ► Miscellaneous points: pros and cons of Single Page Applications, the MVC’s controller problem, namespaces vs. modules and packages, view.json…
Understand memory leaks in JavaScript applications — Detect and address memory issues🗑️ by Ben Dolmar (November 6^th, 2012) ► The title says it all.
The Joys of Static Memory JavaScript🗑️ by Colt McAnlis (October 1^st, 2013) ► Limiting the performance impact of garbage collection by using object pools.
Ariya Hidayat: Next-Generation JavaScript Language Tooling by Ariya Hidayat (November 7^th, 2013) ► Some tools for static analysis (finding code patterns, computing cyclomatic complexity), code transformation and dynamic analysis (code coverage, performance).
Segregated DOM by Martin Fowler (January 16^th, 2014) ► Hiding the jQuery technical details below an abstraction layer.
Comment le hoisting fonctionne en JavaScript et pourquoi by Fabien Huet (September 1^st, 2014) ► A not so clear explanation of hosting, with a lot of misspellings.
node.js vs Java nashorn by "pieroxy" (June 29^th, 2015) ► Some performance measurement of Nashorn and Node.js.
DOMException: The play() request was interrupted by François Beaufort (June 16^th, 2017) ► How to properly use video.play().
Abortable fetch by Jake Archibald (October 2^nd, 2017) ► The AbortController and AbortSignal API is at last defined, Firefox has already implemented it.
SmooshGate FAQ by Mathias Bynens (March 19^th, 2018) ► The story of Array.prototype.flatten breaking MooTols.
Coding Challenge 125: Fourier Series by Daniel Shiffman (December 20^th, 2018) ► The title says it all.
🚀⚙️ JavaScript Visualized: the JavaScript Engine by Lydia Hallie (December 13^th, 2019) ► A basic description of how V8 manages JavaScript.
WebSockets for fun and profit — Seamless communication is a must on the modern web. As internet speeds increase, we expect our data in real time. To address this need, WebSocket, a popular communication protocol finalized in 2011, enables websites to send and receive data without delay. With WebSockets, you can build multiplayer games, chat apps, and collaboration software that work on the open web. by Max Pekarsky (December 18^th, 2019) ► An introduction to WebSockets. It speaks only positively about this technology, the comments give a less biased opinion.
Introducing Env: a better way to read environment variables in JavaScript by Nicholas C. Zakas (February 16^th, 2021) ► Nicholas C. Zakas describes his library to simplify using environment variables.
Does ES6 make JavaScript frameworks obsolete? — Is ES6 the JavaScript release that will finally free us from the endless cycle of frameworks? by Theodoros Karasavvas and Ryan Donovan (November 10^th, 2021) ► As regularly published for many years, yet another article announcing the death of the JavaScript frameworks.
JavaScript APIs You Don’t Know About by Juan Diego Rodríguez (September 14^th, 2022) ► A short presentation of Page Visibility API, Web Share API, Broadcast Channel API, and Internationalization API.
JS13K 2022 winners 🏆 — The eleventh annual js13kGames coding competition, challenging participants to create games in 13kB or less of JavaScript in a month, just wrapped up. This post highlights the top thirteen entries. by Lee Reilly (October 6^th, 2022) ► The title says it all.
JavaScript Generators — Cas pratiques d'utilisation (Héla BEN KHALFALLAH)↓ by Héla Ben Khalfallah (April 13^th, 2023) ► A very slow and bad presentation of generator functions.
Bun 1.0 is here by Jarred Sumner, Colin McDonnell, and Ashcon Partovi (September 7^th, 2023) ► The title says it all.
OpenJS Launches New Collaboration to Improve Interoperability of JavaScript Package Metadata — The OpenJS Foundation has launched a new effort to iterate on the informal standardization of package.json and improve the interoperability of JavaScript package metadata for application developers. by Sarah Gooding (February 27^th, 2024) ► The subtitle says it all.
JavaScript's ??= Operator: Default Values Made Simple — A guide to using ??= in JavaScript to handle null and undefined values elegantly by Trevor I. Lasn (February 27^th, 2024) ► A description of the ??= operator.
Why am I writing a JavaScript toolchain in Zig? by Srijan Paul (November 21^st, 2024) ► Srijan Paul explains why he is creating a toolchain, Jam, in Zig. Currently, Jam is only a JavaScript parser.
Tutorials
- Scoping by Kiro Risk (July 12^th, 2012) ► An explanation of JavaScript hoisting.
- Object Oriented Programming by Kiro Risk (July 12^th, 2012) ► How to perform some common OOP patterns in JavaScript: defining a class, deriving a class, calling a method of the super-class from a derived class…
Promises
- We have a problem with promises by Nolan Lawson (May 18^th, 2015) ► A list of mistakes done when using promises.
- JavaScript Promises: an introduction by Jake Archibald (January 18^th, 2021) ► The title says it all.
History
- JavaScript: Past, Present, and Future🚫 by Molly Wright Steenson (1998) ► This a short history of JavaScript up to the 1.4 release and some hindsight on its future.
- The Deep Roots of Javascript Fatigue by Calvin French-Owen (March 15^th, 2016) ► A short history of the language, the Browsers, the toolkits, and the transpilers.
- ECMAScript 5
  - Changes to JavaScript, Part 1: EcmaScript 5 by Mark Miller, Waldemar Horwat, and Mike Samuel (May 18^th, 2009) ► A presentation of the new features and cleanups of EcmaScript 5.
  - Douglas Crockford: The State and Future of JavaScript by Douglas Crockford (November 4^th, 2009) ► The history of ECMAScript 5 (ES3.1 vs. ES4, IBM’s 754r…) and the future of the language (Harmony).
- ECMAScript 6
  - Dave Herman: The Future of JavaScript by Dave Herman (November 4^th, 2011) ► The new features currently considered for ECMAScript 6: modules, block scoping, generators, proxies, binary data,…
  - Brendan Eich on JavaScript at 17 - O'Reilly Fluent 2012 by Brendan Eich (May 31^st, 2012) ► The rational of ES6 new features: easier to write applications, libraries, and code generators.
  - Brenda Eich on JavaScript at 18: Legal to Gamble - Fluent 2013 by Brendan Eich (May 30^th, 2013) ► This is the same content as the previous year: the new JavaScript features added in ES6, asm.js and, once again, a FPS demo.
  - John Paul - ES6 Right Now by John Paul (September 13^th, 2014) ► The presentation of some new JavaScript features and how to use some among them today.
  - A Look at the Newly Approved ECMAScript 2015 Features by Rob Gravelle (August 2015) ► A very quick presentation of some ES6 features.
  - Intro to Web Workers by Steve Griffith (August 17^th, 2018) ► The title says it all.
  - The busy JavaScript developer’s guide to ECMAScript 6
    - Variable declarations and more in the new JavaScript — Syntactic sugar strengthens core features in ECMAScript 6🗑️ by Ted Neward (September 29^th, 2016) ► String templates and interpolation, let and const, destructuring assignment.
    - ↪Functional enhancements in ECMAScript 6 — Using arrows, generators, and other functional elements in your JavaScript programs🗑️ by Ted Neward (September 29^th, 2016) ► Destructuring in function declarations, default parameters, rest parameters, spread operator, arrow functions, generator functions and yield, for … of loops.
    - ↪Classes in JavaScript — Understanding properties and inheritance🗑️ by Ted Neward (November 8^th, 2016) ► Class definition, getters and setters, the preservation of the prototype chain mechanism, and static properties and fields.
    - ↪New objects and types in the standard library — Using modules, collections, proxies, and more in the new JavaScript🗑️ by Ted Neward (December 8^th, 2016) ► Modules, symbols, collections (Map and Set), weak references, and proxies.
Web Dev Simplified
- Differences Between Var, Let, and Const by Kyle Cook (November 10^th, 2018) ► The title says it all.
- JavaScript ES6 Arrow Functions Tutorial by Kyle Cook (January 3^rd, 2019) ► The title says it all.
- JavaScript Promises In 10 Minutes by Kyle Cook (January 17^th, 2019) ► A basic presentation of Promise.
- 8 Must Know JavaScript Array Methods by Kyle Cook (February 2^nd, 2019) ► filter, map, find, forEach, some, every, reduce, and includes.
- JavaScript Async Await by Kyle Cook (February 9^th, 2019) ► A basic presentation of async/await.
- Why Is Array/Object Destructuring So Useful And How To Use It by Kyle Cook (July 20^th, 2019) ► The title says it all.
- Learn Fetch API In 6 Minutes by Kyle Cook (October 15^th, 2019) ► The title says it all.
- How To Build JavaScript Projects Without Getting Stuck↓ by Kyle Cook (November 17^th, 2020) ► It is obvious that Kyle Cook needs to do some advertising for his courses, but this presentation is very painful, long and slow.
- Learn JavaScript DOM Traversal In 15 Minutes by Kyle Cook (November 21^st, 2020) ► The API for querying the DOM.
- Learn DOM Manipulation In 18 Minutes by Kyle Cook (December 8^th, 2020) ► The basics of DOM manipulation.
- 5 Must Know JavaScript Features That Almost Nobody Knows by Kyle Cook (February 20^th, 2021) ► The nullish coalescing operator, the optional chaining operator, styling console output, declaring properties with a variable of the same name, and script’s defer.
- 5+ Must Know HTML Tags That Almost Nobody Knows by Kyle Cook (February 27^th, 2021) ► <fieldset>, <legend>, <datalist>, <input type="color">, <input type="time">, <progress>, Open Graph meta tags, <sub>, <sup>, <picture>, and <template>.
- 5 MORE Must Know JavaScript Features That Almost Nobody Knows by Kyle Cook (March 9^th, 2021) ► Block statements, in operator, tagged template literals, generator functions, and dynamic imports.
- Why I Don't Use Else When Programming by Kyle Cook (March 23^rd, 2021) ► else considered harmful.
- Is This The Best JavaScript Extension? by Kyle Cook (May 1^st, 2021) ► A presentation of Quokka.js.
- Why I Don't Use Semicolons In JavaScript by Kyle Cook (May 4^th, 2021) ► Kyle Cook’s opinion: do whatever you want and use Prettier to format the code and to add/remove semicolons according to the project’s formatting policy.
- How I Setup And Customize VSCode↓ by Kyle Cook (May 8^th, 2021) ► The title says it all. This has little interest.
- Why You Might Want To Make Your Website Slower by Kyle Cook (March 22^nd, 2022) ► Some basic UX advice.
- Learn JavaScript Hoisting In 5 Minutes by Kyle Cook (July 19^th, 2022) ► An explanation of hoisting.
- Learn Every CSS Viewport Unit In 10 Minutes by Kyle Cook (July 30^th, 2022) ► The title says it all: vw, vh, vmin, vmax, and their new large, small, and dynamic variations.
- Learn JavaScript Scoping In 10 Minutes by Kyle Cook (August 13^th, 2022) ► An explanation of scopes.
- How To Setup Prettier by Kyle Cook (December 27^th, 2022) ► An introduction to Prettier, a code formatter.
- What Is Email Only Authentication - Magic Link Auth by Kyle Cook (January 28^th, 2023) ► A presentation and a basic implementation example of email authentication.
- Is Learning TypeScript A Waste Of Time? by Kyle Cook (February 11^th, 2023) ► An explanation that using TypeScript’s types is a quick win.
- How This Test Saved Kent’s Site by Kyle Cook (May 7^th, 2024) ► A bad idea if pushed too far: relying on the fact that explicit test assertions also test implicit ones.
- I Can’t Believe They Added AI To The Browser by Kyle Cook (November 26^th, 2024) ► A short presentation of the built-in AI APIs introduced in Chrome Canary.
WebAssembly
- Emscripting a C library to Wasm by "Surma" (April 12^th, 2018) ► An introduction to Emscripten by using WebP codec as an example.
- Extending the browser with WebAssembly by Alex Danilo (August 22^nd, 2018) ► The same, but less detailed, with the AV1 codec.
- Emscripten’s embind by "Surma" (August 27^th, 2018) ► Embind simplifies the declaration of the exported C/C++ functions.
- WebAssembly Threads ready to try in Chrome 70 by Alex Danilo (October 30^th, 2018) ► Pthreads are now supported (as a trial) for WASM in Chrome 70.
- Emscripten and npm by "Surma" (January 15^th, 2019) ► A detailed description on how to integrate the generation of the WebAssembly components in the npm build using Docker.
- Replacing a hot path in your app's JavaScript with WebAssembly — It's consistently fast, yo by "Surma" (February 15^th, 2019) ► Generating Wasm for a very simple piece of code from C, Rust and AssemblyScript.
- WebAssembly brings Google Earth to more browsers by Thomas Nattestad (June 20^th, 2019) ► Google Earth is now running on WebAssembly and the future of this one.
- The State of WebAssembly – 2022 and 2023 by Gerard Gallant (January 30^th, 2023) ► The summary of WebAssembly evolution for 2022 and some predictions for 2023.
- Boostez vos applications Java avec WebAssembly (Philippe Charrière) by Philippe Charrière (April 26^th, 2023) ► A messy demonstration of creating a WASM plugin for a Java application using Extism.
Mashups
- Mashups: The new breed of Web app — An introduction to mashups🗑️ by Duane Merrill (August 8^th, 2006) ► A good introduction to mashups: the technological part is the repetition of the usual stuff, but the description of the challenges is interesting.
Web services from well-known sites
- Build AJAX-Based Web Maps Using ka-Map by Tyler Mitchell (August 10^th, 2005) ► This ka-Map stuff seems rather scary to develop with…
- eBay Developer Challenge 2006🗑️ by Alan Lewis (December 5^th, 2005) ► eBay tries to do the same as Google: inviting hacker to build killer apps on top of their APIs.
- Seattle Movie Finder: An AJAX- and REST-Powered Virtual Earth Mashup by Dare Obasanjo (March 1^st, 2006) ► An example of using MSN Virtual Earth, but this article is not very clear.
- Google Maps
  - Hacking Maps with the Google Maps API by Hari Gottipati (August 10^th, 2005) ► A simple example of using the Google’s API.
- YouTube
  - Google I/O 2011: YouTube's iframe Player: The Future of Embedding by Jeffrey Posnick, Jarek Wilkiewicz, and Greg Schechter (May 11^th, 2011) ► A description of how is chosen Flash vs. HTML 5 rendering, the differences between the JavaScript and AS3 APIs, and some coding best practices.
Server side
- Isaac Schlueter and Matt Hackett: Server-side JavaScript by Isaac Schlueter and Matt Hackett (September 2009) ► A much too quick presentation of server side JS and a tic-tac-toe implementation using Narwhal and Jack.
- YUI Theater — Elijah Insua: “jsdom: a CommonJS Implementation of the DOM” (18 min.)🗑️ by Elijah Insua (May 2010) ► A presentation of the interest of JSDom, a JavaScript DOM Level 1 implementation.
- Node.js
  - YUI Theater — Ryan Dahl: “Introduction to NodeJS” (58 min.)🗑️ by Ryan Dahl (May 2010) ► A presentation of Node.js, the rational of its design (using an event loop and having no blocking call - in particular I/Os -), and some code samples.
  - Node.js: JavaScript on the Server by Ryan Dahl (July 28^th, 2010) ► The same talk, but the Q&A are different.
  - YUI Theater — Dav Glass: “Using Node.js and YUI 3″ (36 min.)🗑️ by Dav Glass (September 2010) ► A demonstration of Node.js and YUI3 used to generate the HTML on the server and to transmit it to the browser.
  - YUI Theater — Ryan Dahl: “Node.js Roadmap” (48 min.)🗑️ by Ryan Dahl (November 10^th, 2010) ► The current status of Node.js and the new improvements: fast buffers, long stack traces, and stream interfaces (with some demos of that last one).
  - YUI Theater — Dav Glass: “YUI 3 and Node.js (Not Just For Web Pages) ” (51 min.)🗑️ by Dav Glass (March 29^th, 2011) ► Some small examples (SMTP, YUIDoc…) of using YUI with Node.js to code the server side, a performance improvement, and Qs&As.
  - Use Node.js as a full cloud environment development stack — Embrace the concurrency model using asynchronous I/O via callbacks, and build a chat server🗑️ by Noah Gift and Jeremy Jones (April 25^th, 2011) ► An introduction to Node.js with the example of a chat server.
  - First Stable Build of NodeJs on Windows Released🚫 by Claudio Caldato (November 7^th, 2011) ► The title says it all.
  - Developing mobile apps with Node.js and MongoDB, Part 1: A team's methods and results — Speeding time to value of systems of engagement🗑️ by Zach Cross, Aga Pochec, Daniel Santiago, and Divit Singh (September 5^th, 2013) ► Some IBM interns prototype a new implementation of IBM Passes using Node.js and MongoDB, getting more performance than using Java and DB2.
  - ↪Developing mobile apps with Node.js and MongoDB, Part 2: Hints and tips — Avoiding the pitfalls of using an alternative stack🗑️ by Zach Cross, Aga Pochec, Daniel Santiago, and Divit Singh (August 19^th, 2013) ► Some pieces of advice when using Node.js.
  - Use JavaScript closures efficiently — Avoid memory leaks in your Node.js apps🗑️ by Michael Dawson and Gireesh Punathil (May 2^nd, 2016) ► The title says it all.
  - Use the Node.js event loop effectively — How to avoid unexpected results in your Node.js apps🗑️ by Doug Tidwell (April 11^th, 2017) ► A very very basic introduction to the event loop and callbacks.
  - Understanding the Node.js event loop phases and how it executes the JavaScript code. by Sumedh Nimkarde (February 8^th, 2020) ► A description of the event loop.
- Deno
  - Deno 2 is here… will it actually kill Node.js this time? by Jeff Delaney (September 24^th, 2024) ► Deno 2.0 has been released.
  - Will Deno 2.0 Replace Node.js? by Kyle Cook (September 24^th, 2024) ► The same, but presented at a lower speed.
  - Announcing Deno 2 by Simon Willison (October 10^th, 2024) ► Some short notes about npm and Jupyter notebook supports.
  - Does Deno 2 really uncomplicate JavaScript? by Jeff Delaney (October 14^th, 2024) ► A rather positive quick review of Deno 2.
  - Deno 2 • Ryan Dahl • GOTO 2024 by Ryan Dahl (December 20^th, 2024) ► A presentation of Deno 2 by Ryan Dahl.
AJAX
- Ajax for Java developers: Build dynamic Java applications — Ajax paves the way for better Web applications↑🗑️ by Philip McCarthy (September 20^th, 2005) ► A clear introduction to using XMLHttpRequest.
- Ajax for Java developers: Java object serialization for Ajax — Five ways to serialize data in Ajax applications🗑️ by Philip McCarthy (October 4^th, 2005) ► The author describes some Java→XML/text serialisation methods with their pros and cons.
- Is AJAX Here to Stay? by Jordan Frank (October 5^th, 2005) ► As usual with most of these articles, the author is a big believer in AJAX. I would rather think the real future of AJAX depends on the simplicity and the power of the development frameworks.
- Considering Ajax, Part 1: Cut through the hype — Learn when and how to implement this new technology🗑️ by Chris Laffra (May 9^th, 2006) ► Some very basic facts about AJAX.
- ↪Considering Ajax, Part 2: Change your life with mashups - Pitfalls to avoid — and great opportunities for the future🗑️ by Chris Laffra (May 23^rd, 2006) ► Some advantages and some disadvantages of using AJAX.
- Mastering Ajax
  - Mastering Ajax, Part 1: Introduction to Ajax — Understanding Ajax, a productive approach to building Web sites, and how it works by Brett McLaughlin (December 6^th, 2005) ► An overview of the technologies used in AJAX.
  - ↪Mastering Ajax, Part 2: Make asynchronous requests with JavaScript and Ajax — Use XMLHttpRequest for Web requests by Brett McLaughlin (January 17^th, 2006) ► A slow but good presentation of XMLHttpRequest.
  - ↪Mastering Ajax, Part 3: Advanced requests and responses in Ajax — Gain a complete understanding of HTTP status codes, ready states, and the XMLHttpRequest object by Brett McLaughlin (February 14^th, 2006) ► Some additional details on XMLHttpRequest: XMLHttpRequest ready state values, how to perform a HEAD request, and HTTP status codes.
  - ↪Mastering Ajax, Part 4: Exploiting DOM for Web response — Convert HTML into an object model to make Web pages responsive and interactive by Brett McLaughlin (March 14^th, 2006) ► A very slow introduction to the fact that Browsers encode HTML pages as trees.
  - ↪Mastering Ajax, Part 5: Manipulate the DOM — Use JavaScript to update your Web pages on the fly by Brett McLaughlin (April 11^th, 2006) ► A presentation of the DOM API.
  - ↪Mastering Ajax, Part 6: Build DOM-based Web applications -- Mix the DOM and JavaScript -- those perfect Ajax companions — to change a Web page's user interface without page reloads by Brett McLaughlin (September 12^th, 2006) ► A simple example demonstrating DOM.
  - ↪Mastering Ajax, Part 7: Using XML in requests and responses — Learn when it's a good idea -- and when it isn't by Brett McLaughlin (October 10^th, 2006) ► How the client can generate an XML request for the server and why it is generally not a good idea to do this.
  - ↪Mastering Ajax, Part 8: Using XML in requests and responses — Ajax client/server communication can be a tricky business by Brett McLaughlin (November 7^th, 2006) ► How the client can handle the server XML answer.
  - ↪Mastering Ajax, Part 9: Using the Google Ajax Search API — Take advantage of public APIs in your asynchronous applications by Brett McLaughlin (January 23^rd, 2007) ► A small introduction to the Google API.
  - ↪Mastering Ajax, Part 10: Using JSON for data transfer — Work natively with JavaScript objects by Brett McLaughlin (March 27^th, 2007) ► An introduction to JSON.
  - ↪Mastering Ajax, Part 11: JSON on the server side — Responding to and replying with JSON in your server-side scripts and programs by Brett McLaughlin (August 14^th, 2007) ► How to send and receive JSON between the Browser to the server.
- GWT
  - Working with the Google Web Toolkit↓🗑️ by Robert Cooper (May 31^st, 2006) ► The author presents GWT, but he dives directly in the details of a use example without giving an overview. So this article is not clear…
  - Patterns + GWT + Ajax = Usability! — Enhance your Web site with Ajax, GWT, and design patterns🗑️ by Federico Kereki (August 21^st, 2009) ► Some design patterns:
    - prevalidation: asynchronous input validation on the client
    - code sharing: use the same code to validate date on the client and on the server
    - caching
    - prefetching
    - thread simulation: either with the Timer class or with deferred commands.
  - Google I/O 2010 - Optimizing apps with the GWT Compiler by Ray Cromwell (May 19^th, 2010) ► A description of the tricks done by GWT to improve application performance: type tightening, converting methods to static, finalising, pruning, inlining… both on Java and on JavaScript. How to build faster a GWT application.
  - Google I/O 2010 - GWT + HTML5 can do what?! by Ray Cromwell, Stefan Haustein, and Joel Webber (May 19^th, 2010) ► Using WebGL to process images and sounds, and to play Quake II.
  - Scala + GWT by Grzegorz Kossakowski (September 30^th, 2010) ► A description of the current status of compiling Scala into JavaScript via a new language, Jribble, and GWT. This is not very convincing.
- Five Ajax best practices — Tips and tools for better Ajax development🗑️ by Nathan A. Good (November 9^th, 2010) ► Minimize number of calls to the server, reduce the size of the transferred data, preload data, handle errors, and use existing libraries. (This article seems much older than the indicated date of writing.)
WebGL
- Exporting 3D Scenes from Maya to WebGL Using Clang and LLVM↓ by Jochen Wilhelmy (November 17^th, 2011) ► The title says it all. The technical feat may be worthwhile, but this presentation is boring.
Graceful degradation / progressive enhancement
- Inclusive Web Design For the Future with Progressive Enhancement by Steven Champeon and Nick Finck (March 11^th, 2003) ► Using progressive enhancement to ensure compatibility with older Browsers.
- Hijax by Jeremy Keith (January 1^st, 2006) ► Plan AJAX from the start, but implement it at the end, after the site is working correctly with static pages.
- A guide to writing unobtrusive JavaScript and Ajax — Employ good programming practices when creating your web applications↑🗑️ by Joe Lennon (November 2^nd, 2010) ► A very good tutorial on writing Ajaxified pages that also work without JavaScript.
- Nicholas Zakas: Progressive Enhancement 2.0 by Nicholas C. Zakas (March 5^th, 2012) ► Despite "2.0" branding, there is nothing new here.
Crockford on JavaScript
- Papers
  - Classical Inheritance in JavaScript by Douglas Crockford ► How to implement several types of inheritance in JavaScript.
  - JavaScript: The World's Most Misunderstood Programming Language by Douglas Crockford (2001) ► Douglas tries to explains why there are so many misconceptions about JavaScript.
  - Private Members in JavaScript↑ by Douglas Crockford (2001) ► How to perform data encapsulation in JavaScript.
- Videos
  - Crockford on JavaScript - Volume 1: The Early Years by Douglas Crockford (January 25^th, 2010) ► A history of computer hardware and languages, from Jacquard loom to Caja.
  - ↪Crockford on JavaScript - Chapter 2: And Then There Was JavaScript by Douglas Crockford (February 5^th, 2010) ► A high-level description of JavaScript with its good and bad parts.
  - ↪Crockford on JavaScript - Act III: Function the Ultimate by Douglas Crockford (February 17^th, 2010) ► JavaScript functions (definition, invocation, constructors) and some examples.
  - ↪Crockford on JavaScript - Episode IV: The Metamorphosis of Ajax by Douglas Crockford (March 3^rd, 2010) ► DOM, events, AJAX libraries, IE6…
  - ↪Crockford on JavaScript - Part 5: The End of All Things by Douglas Crockford (March 31^st, 2010) ► Security (XSS, ECMAScript’s Strict mode, object capability security system…), optimisation, Crockford 10^th anniversary with JavaScript, and JSLint.
  - ↪Crockford on JavaScript - Scene 6: Loopage by Douglas Crockford (August 27^th, 2010) ► Blocking I/O, Grace Hopper, why an event loop is a better design than multithreading, Node.js, how to record the session state…
  - ↪Crockford on JavaScript - Level 7: ECMAScript 5: The New Parts by Douglas Crockford (March 29^th, 2011) ► A description of the new features of ECMAScript 5: strict mode, meta object API, getters and setters, JSON…
  - ↪Crockford on JavaScript - Section 8: Programming Style & Your Brain by Douglas Crockford (November 3^rd, 2011) ► JSLint: avoiding some bugs by limiting oneself to some safe coding styles.
  - Douglas Crockford: Monads and Gonads (YUIConf Evening Keynote) by Douglas Crockford (November 14^th, 2012) ► Using Monads in JavaScript: the Identity Monad, the Ajax Monad, the Maybe Monad, the Promise Monad.
  - Douglas Crockford: The Better Parts - JSConfUY 2014🚫 by Douglas Crockford (March 15^th, 2014) ► Miscellaneous ideas: JSLint, ES6, some opinion changes on some JS features, a new numerical type (DEC64), JSON…
  - The Better Parts. Douglas Crockford. JS Fest 2018 by Douglas Crockford (March 30^th, 2018) ► The usual talk about the good and bad parts of JavaScript, in particular ES6.
Debuggers
- Firebug
  - Debugging and Testing the Web with Firebug by Rob Campbell (May 1^st, 2009) ► A presentation of the new Firebug 1.4 features and some Q&A about Firebug.
- Dragonfly
  - YUI Theater — Charles McCathieNevile: “Opera Dragonfly”🗑️ by Charles McCathieNevile (May 26^th, 2009) ► A presentation of Opera debugger. Charles McCathieNevile proposes to standardise a "scope API" so debuggers could be cross-Browsers.
Minifiers
- Yahoo YUI Compressor vs. Microsoft AJAX Minifier vs. Google Closure Compiler by Nick Berardi (January 18^th, 2010) ► A small benchmark focused only on the size reduction.
- Performance Optimizations Made By Microsoft, Google, and Yahoo JavaScript Minimizers by Nick Berardi (January 20^th, 2010) ► An analysis of the compression tricks performed by these minifiers.
- Make your web applications fly — Improve loading performance and decrease bandwidth of CSS and JavaScript code🗑️ by Nathan A. Good (October 26^th, 2010) ► A very basic and detailed description of using YUI Compressor to compress JavaScript and CSS.