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HTTP access control (CORS) - HTTP. A resource makes a cross-origin HTTP request when it requests a resource from a different domain than the one which served itself.

HTTP access control (CORS) - HTTP

For example, an HTML page served from makes an <img> src request for Many pages on the web today load resources like CSS stylesheets, images and scripts from separate domains. For security reasons, browsers restrict cross-origin HTTP requests initiated from within scripts. For example, XMLHttpRequest follows the same-origin policy. So, a web application using XMLHttpRequest could only make HTTP requests to its own domain. To improve web applications, developers asked browser vendors to allow XMLHttpRequest to make cross-domain requests. The W3C Web Applications Working Group recommends the new Cross-Origin Resource Sharing (CORS) mechanism.

This article is for web administrators, server developers and front-end developers. CodeMirror. 20 All Too Common Coding Pitfalls For Beginners. Regardless of our current skill level, we all were beginners at one point in time.

20 All Too Common Coding Pitfalls For Beginners

Making classic beginner mistakes comes with the territory. Today, we've asked a variety of Nettuts+ staff authors to chime in with their list of pitfalls and solutions - in a variety of languages. Learn from our mistakes; don't do these things! Doodle Riddle - A JavaScript Windows 8 Game. Introduction Doodle riddle is an HTML5/JavaScript entry in the AppInnovation contest.

Doodle Riddle - A JavaScript Windows 8 Game

It is a Windows 8 style game under development. Rich JavaScript Applications – the Seven Frameworks (Throne of JS, 2012) A week ago was the Throne of JS conference in Toronto, perhaps the most interesting and different conference I’ve been to for a while.

Rich JavaScript Applications – the Seven Frameworks (Throne of JS, 2012)

Quoting its website: It’s no longer good enough to build web apps around full page loads and then “progressively enhance” them to behave more dynamically. Building apps which are fast, responsive and modern require you to completely rethink your approach. The premise was to take the seven top JavaScript frameworks/libraries for single-page and rich JavaScript applications — AngularJS, Backbone, Batman, CanJS, Ember, Meteor, Knockout, Spine — get the creators of all of them in one location, and compare the technologies head to head.

Disclaimer: I was there to represent Knockout, so obviously I’m not neutral. . * Yes, I know that’s eight frameworks, not seven. TL;DR Executive Summary. Mozilla Developer Network. 10 things you didn't know JavaScript could do. ImgReadr/PhoneGap/www/index.html at master · radicalrobot/ImgReadr. Accelerated Game Programming with HTML5 and canvas. Welcome to my short tutorial about HTML5 game programming.

Accelerated Game Programming with HTML5 and canvas

I’ll try to briefly explain how to create simple games using HTML5, canvas elements and JavaScript. Some code will be omitted during this tutorial but feel free to view my game demo – I have intentionally not minified the source code. Note: This blog post was written in 2010, general idea still works but now browsers support more interesting features that helps with browser based game development.I will try to write updated ‘part 2′ post. HTML5 comes with lots of fantastic features such as : canvas elementvideo and audio supportlocal storageoffline web applicationsgeolocation …and much more. Games were created in HTML before HTML5 so why write this post now, did anything change? How to make a simple HTML5 Canvas game - Lost Decade Games.

You want a quick tutorial for making a SIMPLE game in HTML5?

How to make a simple HTML5 Canvas game - Lost Decade Games

Let's walk through a SIMPLE game practically line-by-line! (If you're curious about my credentials, I made half of A Wizard's Lizard.) Let's jump right in by walking through game.js. You can also play the game right here. Screenshot 1. Javascript games tutorial « hackmyass. Introduction This article describes an HTML5 Sudoku solver.

javascript games tutorial « hackmyass

The entire program is in one HTML file and it uses Javascript and the new HTML5 Canvas element. This is my third article about HTML5/Javascript each article being more complicated than the previous and really just a series of learning steps for myself. Background. Crafty - JavaScript Game Engine, HTML5 Game Engine. Welcome to starmelt's Crafty tutorials! · starmelt/craftyjstut Wiki. Game Closure - Game Everywhere. Making Games with JavaScript and Crafty. This is a guest post by Louis Stowasser, the creator of Crafty The day has come where JavaScript games are possible and not only possible but simple.

Making Games with JavaScript and Crafty

This article will show you how easy it is to create games in JavaScript using the canvas tag and even basic divs with the help of a new game engine called Crafty. This tutorial will demonstrate how to build a Pokemon-style RPG with Crafty. You'll be able to add your own features once you learn the basics. If you'd like to see the what we'll be building, view the demo. Tutorial: Developing HTML5 Canvas Games for Facebook with JavaScript – Part 1 » The Log Book of Manuel Kiessling. This is a multi-part tutorial series.

Tutorial: Developing HTML5 Canvas Games for Facebook with JavaScript – Part 1 » The Log Book of Manuel Kiessling

You are currently reading part 1. Some days ago, my son asked me how computer games are made. He’s five years old and couldn’t quite imagine how games are created, because “you can’t just paint them like animation movies, can you?”. I quickly realized that explaining it to a child is really difficult. And so I decided to create a game, with him as the Creative Director who decides what the game should be like. The result is a simple yet fully-functional 2D space shooter, available on Facebook. I never did game development before, and for me, the two major takeaways from this experience are a) JavaScript/Canvas game development is much more simpler than you think, and b) Facebook integration actually is a lot of fun. I mention the second point because I always greeted Facebook development with smiles, but to be honest, it’s a very pleasing experience, and the whole social graph thing makes a lot of sense for games.

Game Programming Tutorial with JavaScript and the Canvas Element. How to Build a Game with HTML5. HTML5 is growing up faster than anyone could have imagined.

How to Build a Game with HTML5

Powerful and professional solutions are already being developed...even in the gaming world! Today, you'll make your first game using Box2D and HTML5's canvas tag. What is Box2D? Box2D is an open source and popular engine that simulates 2D physics for making games and applications. Primarily written in C++, it has been converted to numerous languages by community contributors.

With the same methods and objects, you have the ability to make your games' physics in many languages, such as Objective C (iPhone/iPad), Actionscript 3.0 (Web), HTML 5 (Web), etc. Step 1 - Setting up your Project To begin developing your demo, download the Box2D engine for HTML5 here. Now, you must insert the necessary files to run box2D into your HTML file:

Learn HTML5 With This Simple Avoider Game Tutorial. In this tutorial (the first of a series), you'll learn the basics of HTML5 game development with JavaScript and the canvas element. You don't need to have any programming experience, or even any HTML experience (apart from this one article). Let's get started! Introduction It would be difficult to have missed the "HTML5 vs Flash" articles that have sprung up all over the web, particularly since Steve Jobs's Thoughts on Flash last year, and Microsoft's announcement this week that Windows 8's web browser won't support Flash on tablets by default. I'm not going to get into that debate here; whatever your opinion, there's no harm in learning HTML5. List of JS game engines. You can find a wikified version at Feel free to modify that. I sync it here every once in a while.

No Tears Guide to HTML5 Games. Introduction So you want to make a game using Canvas and HTML5? Follow along with this tutorial and you'll be on your way in no time. The tutorial assumes at least an intermediate level of knowledge of JavaScript. Tutorial: create a basic JavaScript game using our game template. MSDN Library Design Tools Development Tools and Languages Mobile and Embedded Development Online Services patterns & practices. Crafty - JavaScript Game Engine, HTML5 Game Engine. Applications, games, tools and tutorials using HTML5 canvas and JavaScript. Tutorial: Simple game with HTML5 Canvas - part 1.

Check other language versions: [RUSSIAN] Tutorial: Simple game with HTML5 Canvas Part 1 - Introduction & Background Part 2 - Character & Animation Part 3 - Physics & Controls Part 4 - Platforms & Collisions Part 5 - Scrolling & Game States If you are interested in news and updates of that tutorial just follow me on twitter: [MichalBe's Twitter] Because 10KApart is closed now, and we are all waiting for the results, it is good time to remind my very simple "Stairs to heaven" game and explain in details how it was made. StH is very simple clone of Doodle Jump, but to be honest I was inspired by Icy Tower and discover DJ after I submit StH to the competition.

Never mind. Part 1. That's all in HTML we will need during this tutorial. First of all its important to understand one thing about canvas - it is not possible to move objects in the canvas surface. Var clear = function(){ ctx.fillStyle = '#d0e7f9'; //set active color to #d0e... Nice, but boring less only a little. An Introduction to Game Programming with JavaScript. Homepage - Javascript Game Tutorial. Table of Contents. Canvas Tutorial - Draw a Circle. GameQuery - a javascript game engine with jQuery. The API has changed since this tutorial was written and it has not been updated yet, please have a look at the migration guide.