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"Wha--? How--?"

Yes, it's true. How is this possible? Although the webOS SDK has yet to be released, Palm has stated that the Mojo application framework is "based on the HTML5, CSS and JavaScript standards that web developers already know and love". So they have already given us all the information necessary start building your webOS development skills today, and we've brought it all together in the very first webOS tutorial ever! (Okay, so maybe calling it a webOS tutorial is a stretch. But if you invest some time in mastering the technologies upon which the webOS Mojo toolkit is based, you can hit the ground running the day it's released!)

webOS skill level: Beginner
Prerequisite knowledge: None
Technologies covered: HTML, CSS, Javascript

This tutorial is for people who have had little to no exposure to any web development technologies, but would like to learn in order to build webOS applications for the Pre and future devices based on Palm's webOS.

Although the webOS SDK hasn't yet been released, Palm has provided all the information you need to start building your webOS development skills. On the Palm developer page, Palm states that the Mojo application framework is "based on the HTML5, CSS and JavaScript standards that web developers already know and love". By learning about these technologies now, you can hit the ground running the moment Mojo is released!

HTML

HTML stands for HyperText Markup Language.  It is used to describe the structure of information in a document or web page.  Within webOS, it will most likely be used to describe the elements on a screen in your application.  Go through these two tutorials to learn and understand how to write basic HTML:

webOS skill level: Beginner
Technologies covered: HTML, CSS, Javascript
Prerequisite knowledge: Beginner-level HTML, CSS, and Javascript

This tutorial is for people who have had some experience with HTML, CSS and Javascript.  You've put together a few sites, perhaps experimenting with CSS-based layouts.  Well, great news...you already have a lot of the knowledge you need to build webOS applications!

Although the webOS SDK hasn't yet been released, Palm has provided all the information you need to brush up on your webOS development skills.  On the Palm developer page, Palm states that the Mojo application framework is "based on the HTML5, CSS and JavaScript standards that web developers already know and love". By building our skills with these technologies now, we can get a jump start on Mojo the moment it's released.

HTML

You already understand the basics of HTML, so start with this tutorial:

webOS skill level: Beginner
Technologies covered: HTML, CSS, Javascript
Prerequisite knowledge: Intermediate-level HTML, CSS, and Javascript

This tutorial is for HTML, CSS and Javascript gurus. We're starting to get to the level at which people stop writing "tutorials", so parts of this tutorial will look more like a reference manual. But you're used to looking at reference manuals by now, no? ;)

As mentioned in the basic tutorials, although the webOS SDK hasn't yet been released,Palm has statedthat the Mojo application framework is "based on the HTML5, CSS and JavaScript standards that web developers already know and love". By maximizing our skills with these technologies, we can hit the ground running when the webOS SDK is released.

HTML 5

There's probably not much you need to know about HTML that you don't already know at this point. But it's interesting that Palm said that Mojo would be based on HTML 5, which hasn't even been finalized yet.

So what can we learn about HTML 5? What's new? This document is a good place to start: