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Notice: Undefined index: Review in /home/webpro/public_html/library/common-functions.php on line 353 Head First HTML5 Programming: Building Web Apps with JavaScript - JavaScript
HTML has been on a wild ride. Sure, HTML started as a mere markup language, but more recently HTML’s put on some major muscle. Now we’ve got a language tuned for building web applications with Web storage, 2D drawing, offline support, sockets and threads, and more. And to speak this language you’ve got to go beyond HTML5 markup and into the world of the DOM, events, and JavaScript APIs.
Now you probably already know all about HTML markup (otherwise known as structure) and you know all aboutCSS style (presentation), but what you’ve been missing is JavaScript (behavior). If all you know about are structure and presentation, you can create some great looking pages, but they’re still just pages. When you add behavior with JavaScript, you can create an interactive experience; even better, you can create full blown web applications.
Head First HTML5 Programming is your ultimate tour guide to creating web applications with HTML5 and JavaScript, and we give you everything you need to know to build them, including: how to add interactivity to your pages, how to communicate with the world of Web services, and how to use the great new APIs being developed for HTML5.
Here are just some of the things you’ll learn in Head First HTML5 Programing:
Learn how to make your pages truly interactive by using the power of the DOM.
Finally understand how JavaScript works and take yourself from novice to well-informed in just a few chapters.
Learn how JavaScript APIs fit into the HTML5 ecosystem, and how to use any API in your web pages.
Use the Geolocation API to know where your users are.
Bring out your inner artist with Canvas, HTML5’s new 2D drawing surface.
Go beyond just plugging a video into your pages, and create custom video experiences.
Learn the secret to grabbing five megabytes of storage in every user’s browser.
Improve your page’s responsiveness and performance with Web workers.
Notes: BRAND NEW FROM PUBLISHER! 100% Satisfaction Guarantee. Tracking provided on most orders. Buy with Confidence! Millions of books sold!
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What's the best approach for developing an application with JavaScript? This book helps you answer that question with numerous JavaScript coding patterns and best practices. If you're an experienced developer looking to solve problems related to objects, functions, inheritance, and other language-specific categories, the abstractions and code templates in this guide are ideal -- whether you're writing a client-side, server-side, or desktop application with JavaScript.
Written by JavaScript expert Stoyan Stefanov -- Senior Yahoo! Technical and architect of YSlow 2.0, the web page performance optimization tool -- JavaScript Patterns includes practical advice for implementing each pattern discussed, along with several hands-on examples. You'll also learn about anti-patterns: common programming approaches that cause more problems than they solve.
Explore useful habits for writing high-quality JavaScript code, such as avoiding globals, using single var declarations, and more
Learn why literal notation patterns are simpler alternatives to constructor functions
Discover different ways to define a function in JavaScript
Create objects that go beyond the basic patterns of using object literals and constructor functions
Learn the options available for code reuse and inheritance in JavaScript
Study sample JavaScript approaches to common design patterns such as Singleton, Factory, Decorator, and more
Examine patterns that apply specifically to the client-side browser environment
If you know HTML and/or CSS and want to take your skills to the next level, or even if you are a complete web novice, you really need to learn JavaScript. Not only is it the language behind the smooth and dynamic operation of Web 2.0 websites like Facebook, Twitter and Gmail, but in conjunction with HTML5 it's also the standard means Microsoft supports for creating Windows 8 apps - JavaScript is definitely the future for Windows! So, whether you want to simply add a little functionality to your website, such as smooth menus that pop up and down, image transition effects, user-friendly form handling and verification, or anything else that's more than a simple, flat HTML/CSS design, JavaScript is the way to go.
What's more, JavaScript is easy. If you've ever tried to learn it and been put off by a plethora of jargon and technical mumbo-jumbo then you're in for a real treat, because Robin Nixon's Crash Courses have helped tens of thousands of people learn the new skills they need. From the top-selling author of Learning PHP, MySQL & JavaScript, and starting from the ground up with no assumption of prior knowledge, every aspect of JavaScript is explained in this book, in logical order with plenty of simple examples, clear explanations, informative figures, and advice on how best to use the new things you learn.
If you want to learn JavaScript up to a solid intermediate level, this book will teach you all you need to know, without recourse to other books and materials. Plus all the examples are free to download from the companion website, so you won't have to type them in to follow along and try them out for yourself.
This course features the following lectures:
Introduction to JavaScript
Incorporating JavaScript Code Into a Web Page
JavaScript Language Syntax
JavaScript Operators
JavaScript Arrays
Multidimensional Arrays
The JavaScript Array Functions
Controlling Program Flow
Looping Sections of Code
JavaScript Functions
JavaScript Objects
Errors and Expressions
The Document Object Model
Advanced JavaScript
Appendix: 150+ Functions Detailed
Reasons why you will learn all you need from this course:
No assumption is made of previous knowledge.
Every new concept is explained in logical order.
Fully-tested examples are provided throughout.
Each lecture features several notes offering extra, handy advice.
The examples can all be downloaded free from the companion website.
This book introduces you to Node, the new web development framework written in JavaScript. You'll learn hands-on how Node makes life easier for experienced JavaScript developers: not only can you work on the front end and back end in the same language, you'll also have more flexibility in choosing how to divide application logic between client and server.
Written by a core contributor to the framework, Node: Up and Running shows you how Node scales up to support large numbers of simultaneous connections across multiple servers, and scales down to let you create quick one-off applications with minimal infrastructure. Built on the V8 JavaScript engine that runs Google Chrome, Node is already winning the hearts and minds of many companies, including Google and Yahoo! This book shows you why.
Understand Node's event-loop architecture, non-blocking I/O, and event-driven programming
Discover how Node supports a variety of database and data storage tools
Learn best practices for writing easy-to-maintain code for Node
Get concrete examples of how to use the various Node APIs in practice
Take advantage of the book’s complete API reference
A significant update to a bestselling JavaScript book
As the key scripting language for the web, JavaScript is supported by every modern web browser and allows developers to create client-side scripts that take advantage of features such as animating the canvas tag and enabling client-side storage and application caches. After an in-depth introduction to the JavaScript language, this updated edition of a bestseller progresses to break down how JavaScript is applied for web development using the latest web development technologies. Veteran author and JavaScript guru Nicholas Zakas shows how JavaScript works with the new HTML5 as well as other significant advances in web development as it relates to JavaScript.
Begins with an introduction to JavaScript basics and then moves on to more advanced topics regarding JavaScript and advances in web development technologies
Describes how JavaScript is implemented into HTML5
Covers browser/feature detection in scripts, event-driven JavaScript development, error reporting and debugging, offline application and data storage, and more
Professional JavaScript for Web Developers, 3rd Edition is an authoritative JavaScript resource that every web developers should have.
Question : How can I make javascript work on my computer?
I've done the "enable javascript" thing, and I've downloaded the update several times and it always says it is successful, but still I can't go on any websites. I also tried downloading it to my desktop. it still always says, "you need to update or enable javascript". how else can I fix it?
Answer:
Its possible that you have a anti spyware or virus blocker of some kind that is not letting you use java. try disabling the anti spyware and any other blockers you may have. it mite put your computar at risk but at least you will kow what it was.
Question : How do I code a text that shows up only if Javascript isn't enabled in the browser?
What is the code to display text only when the user doesn't have javascript enabled (so it would say "you need javascript enabled to view this) but doesn't show up when javascript IS enabled, just running the script? I hope that makes sense. Thanks!
Answer:
You need to have JavaScript enabled.
The simplest way would perhaps be to use the
Question : How do I fix a javascript error on page?
I cannot open any emails due to a javascript error. If it helps, We recently switched internet providers from rogers to bell. Does anyone know how to fix this?
Answer:
Now please provide more information on the browsers you use.You can disable javascript error pop ups both in IE and mozilla. But if the javascript is totally crap that the page cannot run, you have to wait till the web site administrator corrects it.
Question : How can I call a Javascript event on a HTML div border corners?
It sounds confusing, but is quite simple. I have a square div, and using css I have four circles replacing the corners of the of the divs border. I want the user to be able to click on one of the corner circles changing the curser image and calling the Javascript onclick event. How do I did that?
Answer:
The corners of the div are not in themselves elements that you can give attributes to (other than the border color and width). But do simulate this you can easily making a div superimposed on a larger div, thus making it seem as if the back div is it's border.
Question : How do I enable my javascript on my blackberry so I can go on youtube?
Whenever I go on youtube on my blackberry, I can't watch videos because it says either my javascript is turned off or I have an old version of Adobe Flashplayer. What do I do?
Answer:
Are you using your browser to look up youtube videos? Because I just use the youtube app that is easy and a free download. To answer your question open your browser then go to your options and you can adjust your java there.
Question : How do you fix JavaScript errors using debugger/developer tools, in interent explorer?
As of two days ago I can no longer attach things or send emails using my university email account with internet explorer because of JavaScript errors. I think it is a runtime error?! Anyway, I kow how to open the debugger from selecting it from the tools menu in IE and it does detect problems with this website, but I have no idea what I need to do with the debugger to fix them. Can you please help. Thanks.It is meant for anyone to use. Look at developer tools in the dropdown menu of tools. It isn't an ie problem, its my pc which I can fix.
Answer:
I don't know what debugger you are talking about, but I'm pretty shure the tool is meant for developers, not users.Aks the administrator to fix it, and until then, you can't do much but use another browser.
Question : How ethical to use Javascript libraries that are available on the net?
I want to do something with JavaScript on my website but don't know how to implement it, but i've found it has already been written by someone and is available to download free as they've put it on net.So is it right morally to use something that someone has already been written? does this count as cheating? does it infringe any copyright?
Answer:
I have used jquery libraries after making sure that the libraries are covered under the GPL license. Most, if not all jquery libraries are under such libraries. Please read the license before you use it on your site. In most cases, you have to include the lib in your distribution. I go a head and do that anyway.Take a look at http://whatiscopyright.org/ it will help a lot.
Question : javascript???????????????????
I was just wondering if any 1 could tell me how 2 turn javascript on , on my computer. Thanks
Answer:
For those who don't know, Java and JavaScript are NOT the same!To turn on JavaScript, follow the directions below for your browser(s):Microsoft Internet ExplorerMicrosoft Internet Explorer 5.x and 6.x (Windows)1. Select Internet Options from the Tools menu.2. Click the Security tab.3. Click Custom Level in Security Level for this Zone.4. Scroll down to Scripting, near the bottom of the list.5. Under Active Scripting, choose Enable.6. Click OK to leave Security Settings. Click OK to leave Internet Options.Microsoft Internet Explorer 5.x (Macintosh)1. Choose Preferences under the Edit menu.2. Click Web Content under Web Browser.3. In Active Content, check the box next to Enable scripting.4. In Java, click Enable Java. Click OK.Microsoft Internet Explorer 4.x (Windows)1. Select Internet Options from the View menu.2. Click the Security tab.3. Set the security level for this zone to Custom (for expert users).4. Click the Settings button (to the right of Custom).5. Scroll to the bottom of the list and enable Active scripting.6. Click the OK button to close the Security Settings window. Click OK to close the Internet Options window.Microsoft Internet Explorer 4.x (Macintosh)1. Click the Preferences icon in the Toolbar.2. Click the Web Content icon under Web Browser.3. In Active Content, check the box next to Enable scripting. Click the OK button.MozillaMozilla (Windows)1. Select Edit from the menu bar and click on Preferences.2. Click on plus sign next to Advanced to show Advanced options.3. Click on Scripts & Plugins.4. Click on the checkbox next to Navigator under Enable JavaScript for.5. Click the OK button.6. Close this window and Click the Reload button in the browser's row of icons in the EGXpress window.Mozilla (Macintosh)1. Select Mozilla under OS X or Edit under earlier OSs from the menu bar and click on Preferences....2. Click on triangle next to Advanced to open sub-menu if needed.3. Click on Scripts & Plugins.4. Click on checkbox next to Navigator under Enable JavaScript for.5. Click the OK button.6. Close this window and Click the Reload button in the browser's row of icons in the EGXpress window.NetscapeNetscape 7.x (Windows)1. Select Preferences from the Edit menu.2. Click Advanced on the left side of the dialog box.3. Check the box next to Enable Java. Click the OK button.Netscape 6.x (Windows, Macintosh)1. Select Preferences from the Edit menu.2. Click Advanced on the left side of the dialog box.3. Check the box next to Enable JavaScript for Navigator. Click the OK button.Netscape Navigator/Communicator 4.x (Windows, Macintosh)1. Select Preferences from the Edit menu.2. Click Advanced on the left side of the dialog box.3. Check the box next to Enable JavaScript. Click the OK button.SafariSafari for Macintosh1. Select Safari from the menu bar and click on Preferences....2. Click on the Security icon.3. Click on checkbox next to Enable JavaScript.4. Close that window.5. Close this window and Click the Reload button in the browser's row of icons in the EGXpress window.Opera1. From the browsers File menu select Preferences or press Alt+P2. Select Multimedia from the list on the left3. Check the box labeled Enable JavaScript4. Push OK5. Reload the current pageAmerica OnlineAmerica Online (Windows)1. Select Settings.2. Select Preferences.3. Select Internet Properties.4. Select Custom Level.5. Scroll down the Custom Level screen to Scripting.6. Enable Active Scripting.7. Select Okay.8. Select Yes that you want to change the security settings.9. Select Okay.10. Close the Preferneces window.11. Close this window and Click the Reload button in the browser's row of icons in the EGXpress window.America Online (Mac OS X)1. Select AOL from the menu bar and click on Preferences....2. Click on the www icon in the scrolling list on the left side.3. Click on the Content tab.4. Click on checkbox next to Enable Javascript.5. Click the OK button.6. Close this window and Click the Reload button in the browser's row of icons in the EGXpress window.Ron
Question : How to write a JavaScript expression that produces true if a string s contains a comma, and false otherwise?
I need write a JavaScript expression that produces true if a string s contains a comma, andfalse otherwise. I am not sure how to do this, thanks for the help!
Answer:
see the indexOf functionhttp://www.w3schools.com/jsref/jsref_indexof.asp(check for return value of -1.)
Question : How to learn Javascript fast and effective to make use in business website?
My intention is to learn Javascript to apply to commercial websites such as building the "pop up" or pull down menu upon mouse interaction, changing the color of text upon mouse in, out etc.What's your suggestion(s) ?Thanks!
Answer:
just search the book in the http://www.itstudy8.org/byhttp://www.gunungpring.com/wordpress/internet-make-money/
