Articles tagged: JavaScript

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Archive/Apps/Tools_and_frameworks/common_libraries_and_frameworks If you have developed a packaged app with AngularJS, you may run into this error message:
Archive/Firefox_OS/API/DOMApplication In the Open Web apps JavaScript API, an App object is a JavaScript object that represents an app ...
Archive/Firefox_OS/Firefox_OS_apps/Localization/Internationalization_helpers_IntlHelper_and_mozIntl This article looks at how Firefox OS handles localization of dates, times, numbers and collators ...
Archive/Firefox_OS/Firefox_OS_apps/Localization/L10n.js_reference This article provides a reference for the l10n.js library, and its associated date helper, ...
Archive/Firefox_OS/Platform/Gaia/Gaia_apps/Settings The Settings app allows users to configure device settings and also responds to incoming ...
Archive/Firefox_OS/Platform/Gaia/Gaia_apps/System The System app is the first web app loaded by Gecko during the Firefox OS bootup procedure, and ...
Archive/Marketplace/Monetization/In-app_payments_section/fxPay_iap fxPay is a JavaScript library for web applications to process in-app payments and restore ...
Archive/Mozilla/Error_console The Error Console is a tool available in most Mozilla-based applications that is used for ...
Archive/Mozilla/Exception_logging_in_JavaScript In versions of Firefox prior to Firefox 3, all JavaScript exceptions were always logged into the ...
Archive/Mozilla/SpiderMonkey/Coding_conventions The SpiderMonkey project owners enforce coding conventions pretty strictly during code reviews.
Archive/Mozilla/SpiderMonkey/File_object Non-Standard Server-Side Object
Archive/Mozilla/Tamarin
Archive/Mozilla/Venkman Venkman is the code name for Mozilla's JavaScript Debugger. It aims to provide a powerful ...
Archive/Mozilla/XTech_2005_Presentations/Mozilla_E4X "ECMAScript for XML" (ECMA-357), a new standard for writing and processing XML directly in ...
Archive/Web/E4X_tutorial This tutorial walks you through the basic syntax of E4X (EcmaScript for XML). With E4X, ...
Archive/Web/E4X_tutorial/Introduction With E4X enabled, basic XML elements are valid syntax for variables. For instance
Archive/Web/LiveConnect/LiveConnect_Overview This chapter describes using LiveConnect technology to let Java and JavaScript code communicate ...
Archive/Web/Properly_Using_CSS_and_JavaScript_in_XHTML_Documents_ XHTML™ 1.0 The Extensible HyperText Markup Language (Second Edition) defines XHTML to be a ...
Archive/Web/Properly_Using_CSS_and_JavaScript_in_XHTML_Documents_/Examples This page contains the source code of the examples related to the " Properly Using CSS and ...
Archive/Web/Scope_Cheatsheet JavaScript with Mozilla extensions has both function-scoped var s and block-scoped let s. Along ...
Archive/Web/Sharp_variables_in_JavaScript A sharp variable is a syntax in object initializers that allows serialization of objects that ...
Archive/Web/Writing_JavaScript_for_HTML In practise, very few XHTML documents are served over the Web with the correct MIME media type, ...
Differential_inheritance_in_JavaScript Differential Inheritance is a common prototype-oriented model that uses the concept that most ...
Games/Anatomy I want to be clear that any of the above, or none of them, could be best for your game. The ...
Games/Publishing_games This series of articles looks at the options you have when you want to publish and distribute ...
Games/Publishing_games/Game_distribution Distribution is the way to give the world access to your game. There are many options available ...
Games/Publishing_games/Game_monetization There are many ways to earn money — everything that applies to the "normal" AAA gaming world can ...
Games/Publishing_games/Game_promotion Any way of promoting your game is good. You have a whole lot of options to chose from with most ...
Games/Techniques/2D_collision_detection One of the simpler forms of collision detection is between two rectangles that are axis aligned ...
Games/Techniques/3D_collision_detection This article provides an introduction to the different bounding volume techniques used to ...
Games/Techniques/3D_collision_detection/Bounding_volume_collision_detection_with_THREE.js This article shows how to implement collision detection between bounding boxes and spheres using ...
Games/Techniques/3D_on_the_web/Building_up_a_basic_demo_with_Whitestorm.js Whitestorm.js is a framework built on the top of Three.js technology, enhanced by features such ...
Games/Techniques/Async_scripts Every medium or large game should compile asm.js code as part of an async script to give the ...
Games/Techniques/Controls_Gamepad_API The Gamepad API is very easy to develop with. Now it's easier than ever to deliver console-like ...
Games/Techniques/Control_mechanisms One of HTML5's main advantages as a game development platform is the ability to run on various ...
Games/Techniques/Control_mechanisms/Desktop_with_gamepad That's it! We have successfully implemented gamepad controls in our game — try connecting any ...
Games/Techniques/Control_mechanisms/Desktop_with_mouse_and_keyboard Ok, we've dealt with touch, keyboard and mouse controls. Now let's move on to look at how to set ...
Games/Techniques/Control_mechanisms/Mobile_touch That covers adding touch controls for mobile; in the next article we'll see how to add keyboard ...
Games/Techniques/Control_mechanisms/Other I hope you liked the experiments — if you have any others that you think might interest other ...
Games/Techniques/Crisp_pixel_art_look This article discusses a useful technique for giving your canvas/WebGL games a crisp pixel art ...
Games/Techniques/Efficient_animation_for_web_games This article covers techniques and advice for creating efficient animation for web games, with a ...
Games/Techniques/Tilemaps Tilemaps are a very popular technique in 2D game development, consisting of building the game ...
Games/Techniques/Tilemaps/Square_tilemaps_implementation:_Scrolling_maps This article covers how to implement scrolling square tilemaps using the Canvas API.
Games/Techniques/Tilemaps/Square_tilemaps_implementation:_Static_maps This article covers how to implement static square tilemaps using the Canvas API.
Games/Tools On this page you can find links to our game development tools articles, which eventually aims to ...
Games/Tools/asm.js Asm.js is a specification defining a subset of JavaScript that is highly optimizable. This ...
Games/Tools/Engines_and_tools The following are game engines implemented with HTML5 and JavaScript:
Games/Tutorials This page contains multiple tutorial series that highlight different workflows for effectively ...
Games/Tutorials/2D_breakout_game_Phaser In this step-by-step tutorial we create a simple mobile MDN Breakout game written in JavaScript, ...
Games/Tutorials/2D_breakout_game_Phaser/Animations_and_tweens To make the game look more juicy and alive we can use animations and tweens. This will result in ...
Games/Tutorials/2D_breakout_game_Phaser/Bounce_off_the_walls Now that physics have been introduced, we can start implementing collision detection into the ...
Games/Tutorials/2D_breakout_game_Phaser/Build_the_brick_field Building the brick field is a little bit more complicated than adding a single object to the ...
Games/Tutorials/2D_breakout_game_Phaser/Buttons Instead of starting the game right away we can leave that decision to the player by adding a ...
Games/Tutorials/2D_breakout_game_Phaser/Collision_detection Now onto the next challenge — the collision detection between the ball and the bricks. Luckily ...
Games/Tutorials/2D_breakout_game_Phaser/Extra_lives We can make the game enjoyable for longer by adding lives. In this article we'll implement a ...
Games/Tutorials/2D_breakout_game_Phaser/Game_over To make the game more interesting we can introduce the ability to lose — if you don't hit the ...
Games/Tutorials/2D_breakout_game_Phaser/Initialize_the_framework Before we can start writing the game's functionality, we need to create a basic structure to ...
Games/Tutorials/2D_breakout_game_Phaser/Load_the_assets_and_print_them_on_screen Our game will feature a ball rolling around the screen, bouncing off a paddle, and destroying ...
Games/Tutorials/2D_breakout_game_Phaser/Move_the_ball We have our blue ball printed on screen, but it's doing nothing — It would be cool to make it ...
Games/Tutorials/2D_breakout_game_Phaser/Physics For proper collision detection between objects in our game we will need to have physics; this ...
Games/Tutorials/2D_breakout_game_Phaser/Player_paddle_and_controls We have the ball moving and bouncing off the walls, but it quickly gets boring — there's no ...
Games/Tutorials/2D_breakout_game_Phaser/Randomizing_gameplay You've finished all the lessons — congratulations! By this point you would have learnt the ...
Games/Tutorials/2D_breakout_game_Phaser/Scaling Scaling refers to have the game canvas will scale on different screen sizes. We can make the ...
Games/Tutorials/2D_breakout_game_Phaser/The_score Having a score can also make the game more interesting — you can try to beat your own highscore, ...
Games/Tutorials/2D_breakout_game_Phaser/Win_the_game Implementing winning in our game is quite easy: if you happen to destroy all the bricks, then ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript In this step-by-step tutorial we create a simple MDN Breakout game written entirely in pure ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Build_the_brick_field After modifying the gameplay mechanics, we are now able to lose — this is great as it means the ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Collision_detection We have the bricks appearing on the screen already, but the game still isn't that interesting as ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Create_the_Canvas_and_draw_on_it Before we can start writing the game's functionality, we need to create a basic structure to ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Finishing_up There's always a room for improvements in any game we write. For example, we can offer more than ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Game_over It's fun to watch the ball bouncing off the walls and be able to move the paddle around, but ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Mouse_controls The game itself is actually finished, so let's work on polishing it up. We have already added ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Move_the_ball You already know how to draw a ball from working through the previous article, so now let's make ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Paddle_and_keyboard_controls The ball is bouncing off the walls freely and you can watch it indefinitely, but currently ...
Games/Tutorials/2D_Breakout_game_pure_JavaScript/Track_the_score_and_win Destroying the bricks is really cool, but to be even more awesome the game could award points ...
Glossary/Argument An argument is a value (primitive or object) passed as input to a function.
Glossary/array An array is an ordered collection of data (either primitive or object depending upon the ...
Glossary/Block/Scripting In JavaScript, a block is a collection of related statements enclosed in braces ("{}"). For ...
Glossary/Boolean In computer science, a boolean is a logical data type that can have only the values true or ...
Glossary/Canvas The HTML canvas element provides an empty graphic zone on which specific JavaScript APIs can ...
Glossary/Compile_time The compile time is the time from when the program is first loaded until the program is parsed.
Glossary/Control_flow The control flow is the order in which the computer executes statements in a script.
Glossary/document_environment When the JavaScript global environment is a window or an iframe, it is called a document ...
Glossary/Expando Expando properties are properties added to DOM nodes with JavaScript, where those properties are ...
Glossary/Falsy A falsy value is a value that translates to false when evaluated in a Boolean context.
Glossary/Function A function is a code snippet that can be called by other code or by itself, or a variable that ...
Glossary/Hoisting Hoisting is a term you will not find in the JavaScript docs. Hoisting was thought up as a ...
Glossary/IIFE IIFE (Immediately Invoked Function Expression) is a JavaScript function that runs as soon as it ...
Glossary/Instance An object created by a constructor is an instance of that constructor.
Glossary/JavaScript JavaScript (JS) is a programming language mostly used client-side to dynamically script ...
Glossary/Method A method is a function which is a property of an object. It exist two kind of methods: Instance ...
Glossary/Node.js Node.js é um interpretador JavaScript multiplataforma que permite desenvolvedores construírem ...
Glossary/Number In JavaScript, Number is a numeric data type in the double-precision 64-bit floating point ...
Glossary/Parameter A parameter is a named variable passed into a function. Parameter variables are used to import ...
Glossary/Parse Parsing means analyzing and converting a program into an internal format that a runtime ...
Glossary/Primitive A primitive (primitive value, primitive data type) is data that is not an object and has no ...
Glossary/Signature/Function A function signature (or type signature, or method signature) defines input and output of ...
Glossary/SIMD SIMD (pronounced "seem-dee") is short for Single Instruction/Multiple Data which is one ...
Glossary/Sloppy_mode ECMAScript 5 and later let scripts opt in to a new strict mode, which alters the semantics of ...