Simon Willison’s Weblog

Blogmarks tagged javascript, google

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Tech Notes: TypeScript at Google (via) In which Evan Martin provides some fascinating colour on the state of JavaScript tooling within Google, which has some unique challenges given that Gmail is 14 years old now and Google have evolved their own internal JavaScript stack which differs widely from the rest of the industry (mainly because it predates most of the successful open source tools). “Which leads me to the middle path, which my little team has been pursuing: incrementally adopt some external tooling where it makes sense, by figuring out how to make it interoperate with our existing code base.” # 2nd September 2018, 7:08 pm

Closure Compiler Service (via) A hosted version of the Google Closure Compiler (JavaScript minifier) running on App Engine. It has both a user interface and a REST API, which means you can use it as part of an automated build process without needing to set up a local copy of the software. # 9th August 2010, 1:17 pm

Google Analytics goes async. This is excellent news—the latest version of the Google Analytics JavaScript is designed to allow for asynchronous loading, so it won’t hold up the rendering of your page. Analytics and banner ads are the two worst offenders when it comes to slowing down page loads. Now if only a banner ad vendor would follow suit... # 2nd December 2009, 6:30 pm

Introducing Closure Tools. Google have released the pure-JavaScript library, apparently used for Gmail, Google Docs and Google Maps. It comes with a powerful JavaScript optimiser tool with linting built in and an accompanying Firebug extension to ensure the obfuscated code it produces can still be debugged. There’s also a template system which precompiles down to JavaScript and can also be called from Java. # 6th November 2009, 7:33 am

Official Google Webmaster Blog: A proposal for making AJAX crawlable. It’s horrible! The Google crawler would map url#!state to url?_escaped_fragment_=state, then expect your site to provide rendered HTML that reflects that state (they even go as far as to suggest running a headless browser within your web server to do this). Just stick to progressive enhancement instead, it’s far less hideous. It looks like the proposal may have originated with the GWT team. # 8th October 2009, 5:52 pm

Gmail for Mobile: Reducing Startup Latency. Cheeky iPhone optimisation trick—parsing 200 KB of JavaScript takes an iPhone 2.2 device 2.6 seconds, so Gmail embeds code components in /* comments */ in a script tag and evals them on demand later on when the features are needed. # 23rd September 2009, 10:29 pm

And Now For Something Entire... Oooh! Shiny! Alex Russell on O3D, the new 3D browser plugin from Google that makes OpenGL accessible to JavaScript (and embeds V8 so performance won’t suck even on slower browsers). # 22nd April 2009, 12:19 pm

Running Rhino and Helma NG on Google App Engine. Helma NG is a JavaScript web app framework, which now works on App Engine out of the box. # 12th April 2009, 12:52 pm

google-mobwrite. Neal Fraser’s terrifyingly clever differential synchronization algorithm (for SubEthaEdit-style collaboration over the web) is now available as an open source Python and JavaScript library. # 24th January 2009, 11:55 pm

AJAX APIs Playground. Ferociously useful collection of executable and editable example code for all(?) of Google’s JavaScript APIs, including Google Maps and the increasingly interesting Visualization API. # 22nd January 2009, 6:38 pm

V8 Design Elements. High level design details of Google’s V8 JavaScript engine, including how it uses “hidden classes” to optimise object property lookups and a bit of information on the machine code generation and garbage collection. # 2nd September 2008, 11:58 pm

Chromium. Google Chrome is out! Here’s the open source project, including the code for the new V8 JavaScript virtual machine. # 2nd September 2008, 9:06 pm

Google Chrome, the comic book (via) Google have finally announced a browser project, though it’s currently vapourware (or rather comicware), existing only as a Scott McCloud comic. Still, it looks fascinating—entirely open source, WebKit with a brand new JavaScript VM, every tab running in a separate process for smarter memory usage and some new UI concepts and anti-pishing measures thrown in as well. # 1st September 2008, 7:45 pm

Google Earth in a browser (sort of), Scriptable, a quick peek and poke. Dan Catt on Google’s new browser plugin version of Google Earth... which conveniently exposes a JavaScript API to the browser in the form of the “ge” object, which can then be poked at interactively using Firebug. # 28th May 2008, 11:13 pm

Doctype: /trunk/goog. Google’s newly released JavaScript library (pure JavaScript, so more along the lines of YUI and jQuery than GWT). I haven’t found the documentation for it yet, but the code is extremely well commented. UPDATE: The documentation is spread throughout Doctype. # 14th May 2008, 9:12 pm

Doctype on Google Code. Alternative way of browsing Google Doctype—if you link to articles here instead of using the permalinks in the official version non-JavaScript user agents will be able to access the content you’ve linked to. # 14th May 2008, 8:34 pm

ExtInfoWindow 1.0: Ajax powered, CSS customization. Finally, a semi-official way of creating customised info windows for the Google Maps API. You lose the default shadow but gain the ability to style the entire info window using CSS. # 15th December 2007, 12:22 pm

google-axsjax (via) “The AxsJAX framework can inject accessibility enhancements into existing Web 2.0 applications using any of several standard Web techniques”—including bookmarklets and Greasemonkey. The enhancements conform to W3C ARIA, supported by Firefox 2.0 and later. # 14th November 2007, 5:18 pm

Gmail Greasemonkey API (via) The new version of Gmail includes API hooks for Greasemonkey script authors. The documentation is by Mark Pilgrim, author of Greasemonkey Hacks. # 7th November 2007, 10:38 am

Google Maps API gets clickable polylines and polygons. Interesting explanation of how they optimised calculating the distance to the nearest point on a polyline. # 8th September 2007, 12:58 pm

Google Web Toolkit: Towards a better web. Good overview of why GWT exists, but I take exception to the title: requiring JavaScript to even display something does not make the web “better”. # 29th August 2007, 8:21 pm

google-diff-match-patch (via) Robust algorithms to perform the operations required for synchronizing plain text, in Java, JavaScript and Python. # 9th June 2007, 6:15 pm

Google Gears DB Abstractions. Here come the ORMs. # 4th June 2007, 8:54 am

Cross Domain Frame Communication with Fragment Identifiers. Google are using this crazy iframe/fragment trick for their new Mapplets API. # 31st May 2007, 2:15 pm

Apollo will include Google Gears technology. Looks like Google really worked on the partnerships for this one. # 31st May 2007, 8:30 am

Dojo Offline on Google Gears. “The great news is that the Dojo crew were in the loop wrt this project, and Brad has ported Dojo Offline to use Google Gears as the base platform.” # 31st May 2007, 8:28 am

RSS Bling goes Offline with Google Gears. Google Gears is Google’s new offline JavaScript framework. Dion Almaer (a Google employee) has a nice example of code using Google Gears on Ajaxian. # 31st May 2007, 8:27 am

Seven JavaScript Techniques You Should Be Using Today (via) Sound advice from Dustin Diaz, who is now a Googler. # 24th April 2007, 8:20 am

Google AJAX Feed API (via) Simple cross-domain proxy to allow JavaScript to access any publically addressable syndication feed, with the same logic as Google Reader providing normalisation. # 18th April 2007, 5:29 pm

Making GWT Better. Explains the philosophy behind GWT. It’s all about the tools! # 12th December 2006, 5:53 pm