Google recently launched its extensions Gallery for Chrome, but today the company is reminding users of the browser (which continues to gain popularity) that there are a lot more things you can do with it beyond just what’s in the gallery. Google Chrome 4 supports Greasemonkey user scripts.

Chrome users can use Greasemonkey, which is a Firefox extension that allows developers to customize web pages using javascript, to install any user script with a single click.

Google has launched the Google Apps Script in Google Apps Standard Edition, meaning that it is much more broadly available now. Previously, it was only available in Google Apps Premier and Education editions. It was released back in the summer.

Google Apps Script starts in the spreadsheets of Google Docs. It lets you create sheets to read and change formulas, formats and cell contents, and lets you create custom functions so you can automate repetitive tasks.

You may recall back at SMX Seattle earlier this year, Google’s Matt Cutts talked at length about paid links. He touched upon the topic of Google being able to read javascript after giving out advice for so long to use javascript as a way to keep Google from reading paid links.

Food, prizes, and time at the Googleplex are all good things.  So, if Mountain View isn’t inconveniently far away, keep the "Google Developer Hackathon: JavaScript APIs" in mind when you’re making plans for Friday, February 29th.

You can now add a couple of simple vector shapes into Google presentations: arrows, speech bubbles, a circle, a rectangle and a sun-like shape.

With the announcement that both Firefox 3 and IE8 have passed the acid2 test, Ian Hickson has been working hard on the acid3 test. The new test will focus mostly on ECMAScript and Dom through Selectors Level3, Media queries and data URIs.

Google Reader now reports feed usage, and it is being suggested by a prominent Google engineer that you should look at aggregated numbers.

eBay has announced a number of new services and platform enhancements to help developers extend eBay content. The announcement was made at the eBay Developers Conference in Boston today.

Bringing certain content-updating behaviors to web pages without reloading them has been a key piece of the ‘Web 2.0′ online application meme; it now appears the criminals could have a way to break them open too.

Whenever you use a Button or LinkButton it is because you want to be able to do a postback when it is clicked.

A coworker asked me this so I thought I’d whip up a quick example.

Internet Explorer can only make 2 connections at a time, which means that only two elements can be loaded while the rest is queued up.

Ionut Alex links to an Opera user JavaScript designed to help Google services work better with the Opera browser.

I’m a big fan of the script.aculo.us javascript library.

In highly interactive websites and intranet sites, you probably want to let the users know what’s going on when they delete, save, export etc. on the site.

By now most web designers and developers know that JavaScript causes a real headache for search engine spiders.

Google’s GMail has a nice way of allowing you to add multiple attachments to an email.

This is the Fifth Edition of “Javascript The Definitive Guide”. I dragged out my old Second Edition (1997) of this book for comparison.

Web development has changed dramatically over the past year with the implementation of Asynchronous JavaScript + XML, also known as Ajax.

When Tim O’Reilly and others began using the term “Web OS” (or sometimes Internet Operating System) to talk about the evolving landscape of companies and web services, I was skeptical.

A cheat sheet of useful suggestions on hand can beat the best search engine by virtue of being immediately available.

ZDNet’s “Googling Google” blogger Garett Rogers found a Javascript trick that unveils the occasionally glimpsed new look of Google’s search results to Firefox users.