HTML5 is the 5th revision of the HTML language created in 1990 for structuring and presenting content on the Internet, and an attempt to improve support for modern multimedia elements.

learn more… | top users | synonyms

1
vote
3answers
562 views

Why are <section>, <header> and <footer> tags not used much when I see sites that are in HTML 5? [closed]

I've noticed that even when a websites front end is coded in HTML 5 as evidenced by the <!DOCTYPE html>, people rarely seem to use the new HTML 5 <section>, <header> and ...
1
vote
1answer
2k views

Can IndexedDB be used in offline hybrid android apps?

Can IndexedDB be used in offline hybrid android apps? I have tried the [example presented in this post,1 while it is working in my laptopn on Google Chrome, it is not working inside the WebView in my ...
44
votes
3answers
33k views

Why is Web SQL database deprecated?

I am making a hybrid Android app. At first I decided to use localStorage, after spending 2 days, I realized that it is very strange and so dropped it. Then, I picked up indexedDB, after spending ...
36
votes
1answer
13k views

How is localStorage different from indexedDB?

localStorage and indexedDB are used for offline storage of data in HTML5. What are their key differences and which one is preferable in what situations?
0
votes
3answers
872 views

How to approach multiple page form with just one save option

The screen shot shows the magento product upload page. The left nav allows you to switch to different options for the product. Basically each option in the left nav appears as a different page. ...
24
votes
5answers
2k views

Why is Internet Explorer the only browser to be referred to by version when talking about compatibility?

Whenever I read something or hear someone talking about HTML5, CSS and JavaScript support, they always refer to Internet Explorer with the version number such as Internet Explorer 6, and Internet ...
1
vote
3answers
330 views

Which one is better offline method for large scale application

We've a big data management website used by several property. Some of our customers have downtime (they can't access net for an hour or two). We want our site to support offline data viewing and ...
1
vote
1answer
115 views

Best Way to Handle dynamic infograph with javascript?

I've currently been assigned a project to create the following with javascript, you can view the final product here: ...
1
vote
2answers
1k views

What is the correct implementation of <meta> element in HTML5?

I've been watching a video to learn HTML. I know about HTML but I just wanted to refresh my knowledge. The author declared that he is using HTML5 because the doctype was: <!doctype html> but ...
3
votes
2answers
874 views

Modern web application development! Is flash and silverlight still relevant? [closed]

When building an application one considers the appropriate technology of choice for best long term impact and scalability. If building a media streaming application for mobile and desktop should one ...
0
votes
1answer
250 views

can I use XML for AJAX in a website created using HTML5

I am new to web programming and just started learning XML and AJAX. I am creating a social gaming website for my college project. I am confused at the point of using XML for AJAX in HTML5. As XHTML is ...
12
votes
2answers
992 views

Design decision - why generate <p> without </p>?

tl;dr Some widely used programs, which generate html, will only generate opening paragraph tags, and not closing ones, assuming that the browser will properly close paragraphs. On the face of it, it ...
1
vote
1answer
381 views

Making a decentralized system utilizing JavaScript/HTML5?

I am interested in decentralized systems, and am currently considering building one myself. I am considering using JavaScript and HTML5, simply because it makes it very easy to use the system (they ...
-1
votes
5answers
368 views

Web programming most effort? [closed]

To create a website I create Psd Files for the design (Phase 1) I Convert these Psd's to html/css static webpages (Phase 2) I add some javascript to these webpages (Phase 3) I start the IDE "visual ...
1
vote
4answers
555 views

When making responsive design how many versions of account for? [closed]

I am learning how to make responsive layouts for sites and web applications. It's said we need to use media queries to find out the width(resolution) and then select the layout(wireframe) for that ...
0
votes
1answer
141 views

How would I go about having an editable file to transform an object on a webpage?

I have some code that creates objects on a webpage by using draw on HTML5 canvas. In my aspx file I have functions like: function drawLine(x, y, w, h, width) { var canvas = ...
0
votes
2answers
5k views

Display error message with jQuery without reloading page

I created login form. When user clicks on login button this form shows up with some fade effect (jQuery). What I want to do is to display error message in this form when user inputs invalid data. ...
1
vote
1answer
3k views

Looking to create a custom, graphical editor for a data model using HTML5 and SVG

I need to create a graphical editor for our data model that works in an HTML5 compliant browser. I am looking for a proper library/framework to build on. The model is stored as xml, but that should be ...
0
votes
1answer
593 views

What's the difference between “Add to home screen” safari HTML5 webapp vs HTML5 webapp wrapped in UIWebView?

Someone asked me this. The answer he gave was HTML5 in UIWebView can cache the app data so it can run offline. I thought the same thing can be achieved using safari add to home screen, no?
1
vote
1answer
112 views

HTML Canvas: Should my app x, y values be global?

I have a large file of functions. Each of these functions is responsible for drawing a particular part of the application. My app has x and y parameters that I use in the setup function to move the ...
1
vote
0answers
1k views

How to Implement Complex Form Data?

I'm supposed to implement a relatively complex form that looks like follows, but has at least four more pages requiring the user to fill in all necessary information for the tracks: This data will ...
9
votes
3answers
2k views

What stops HTML5 and JS apps to perform as good as native apps?

From what I understand, HTML is a mark-up language, so is the content of XAML, XIB and whatever Android uses and other native UI development frameworks. JavaScript is a programming language used ...
2
votes
3answers
160 views

What are considered the definitive references for bootstrapping one's client-side expertise? [closed]

I'm a server-side junkie, and by that I mean I spend time writing code that's not visible to anyone. I'm interested in rounding out my skillset and becoming more self-sufficient with writing ...
5
votes
1answer
6k views

Why does a contenteditable div not behave like an input element?

The motivation for the content editable div would be to allow user input inside a normal div element. Why does it then behave so differently to input element? Mainly I am referring to the addition of ...
3
votes
2answers
2k views

Repetitive Drawing in Javascript & Canvas

Creating an HTML5 page using canvas and javascript to draw a set number of musical staves on the page, spaced a pre-determined amount in between. What I have is re-drawn on top of the canvas 10 ...
2
votes
2answers
471 views

Power of HTML5? [duplicate]

HTML5 is becoming more and more popular everyday. Many great online applications are now being created and described as pure HTML5 apps. (Like Muro) But I don't understand what is exactly so cool ...
0
votes
2answers
684 views

Client = Html5 + CSS3 + JS + Jquery. Server =?

I want to build most of my functionality on the client. However I'm not quite sure which server-side web development framework can provide me with a nice REST endpoint to handle resources, business ...
-1
votes
1answer
75 views

Better performance on web with big PNGs [closed]

I'm currently developing a web that is all made from images (an HTML version of a Flash web). The client provided me with a big PSD which I had to export each layer as a PNG to keep transparencies. ...
-2
votes
1answer
12k views

How to make .exe file from html5 css application? [closed]

I would like to make windows desktop application using HTML5, JavaScript and CSS. I am trying tidesdk XULRunner appjs I read the documentations of these technologies. But I didn't see how to ...
3
votes
1answer
1k views

Any resources or books to build VNC client [closed]

I am very interested in network programming and I want to build a VNC client for fun and for learning purposes. I have been Googling for resources about VNC client and server, but most of time, ...
1
vote
2answers
164 views

Creating a text input simplifaction tool

I have been working on a project for several months now to write a web-based tool that will help me at work. I work at a call center and the CRM software that is used is wretched, we basically have to ...
8
votes
3answers
372 views

Does the lack of states on HTTP make the protocol unfit for modern applications? [closed]

I changed from PHP to ASP.NET, now I’m working with webforms in a somewhat large company. I given some though and research to back my impressions on ASP.NET webforms and I came to the conclusion that ...
4
votes
2answers
3k views

Is HTML5 usable for syncing data between devices?

I work for an insurance company. They have a contact database that gets pushed to the field agents by Lotus Notes. We're trying to move away from Lotus Notes, but we first have to remove our ...
77
votes
23answers
7k views

How do developers find the time to stay on top of latest technologies? [closed]

I was a freelance web developer until circa 2004 when I started going down the management route but have decided to try to get back into development again (specifically JavaScript and HTML5 web/mobile ...
4
votes
2answers
3k views

What's the best way to use requestAnimationFrame and fixed frame rates

I recently got into using the HTML5-requestAnimationFrame-API a lot on animation-heavy websites, especially after seeing the Jank Busters talk. This seems to work pretty well and really improve ...
2
votes
1answer
188 views

What is meant by sandboxing?

Sanboxing is listed as one of the many security features in html5 specification . Can someone explain what is meant by sandboxing? Does it relate to HTML only or to JavaScript also?
3
votes
1answer
249 views

What is meant by namespaced content and what advantages does it have?

I was reading this blog by James Bennett regarding HTML vs XHTML . He writes : I don’t have any need for namespaced content; I’m not displaying any complex mathematical notation here and don’t ...
2
votes
1answer
347 views

How best to implement HTML5 support for my validation library

I have created an annotation-based validation library called regula. There seems to be some amount of interest around the framework and the next thing I'd like to do is to support HTML5 validation. ...
8
votes
1answer
644 views

I seem to be missing a few important concepts with PhoneGap

I'm planning on developing an app on multiple platforms and I'm thinking that PhoneGap might be perfect for me. I had been reading that it's one codebase for all platforms but looking at the PhoneGap ...
7
votes
5answers
1k views

Why is semantic markup given more weight for search engines?

This question follows directly from the part of an answer of this question - Why would one bother marking up properly and semantically? . I would like to understand why SEO techniques gives more ...
50
votes
7answers
3k views

Why would one bother marking up properly and semantically?

Note that I (try) to mark up as semantically as possible because I like they way it looks and feels, but not because I'm aware of any other stunning advantages. The point of my question is to be ...
-2
votes
1answer
2k views

Password Validation using regular expressions in html 5 [closed]

this question may sound stupid, but no one has ever taught me this. I have an HTML input for a password field, and you can only log on with one specific password with JS. Could someone please give me ...
2
votes
1answer
370 views

HTML5 and gaming practices [closed]

I am trying to build an app with HTML5. Is there a certain syntax to follow when making objects for games? Anyone tried that and what are good practices to follow?
0
votes
1answer
168 views

Is there any way to remove this redundancy?

I currently have the following HTML code <time datetime="2012-08-23"> 23. August 2012 </time> I have that because I felt the "23. August 2012" format was easier for website ...
10
votes
8answers
3k views

Rush to client-side in web development

In the past few months, I recognized a big excitement about client-side scripting in web development. But while server-side technologies are mature, stable and well accepted by backend-developers, ...
4
votes
3answers
2k views

Cross platform or web development with .NET

With iOS and Android soaring on mobile devices that become ever more pervasive, every other year being the 'year of Linux on the desktop' - which is somewhat snarky, but they are getting there -, OSX ...
9
votes
1answer
6k views

how to move Silverlight app to Html5 [closed]

I have been working with Silverlight 5 application for a while. I liked this technology and I was captivated to the point to get certified in Silverligt development. However, Html5 gained momentum ...
18
votes
6answers
23k views

Advantages and disadvantages to using XAML/C# or HTML5/JavaScipt for Metro apps? [closed]

I was just wondering if there are any major advantages or disadvantages to using either XAML/C# or HTML5/JavaScript for Metro Apps.
1
vote
1answer
138 views

Should I provide fallbacks for HTML5/CSS3 elements in a web page at this point?

I'm wondering if I should bother providing a fallback for HTML5 tags and attributes and CSS3 styling at this point in time. I know that there's probably still a lot of people out there who use older ...
10
votes
3answers
12k views

Do Java applets have any place on the web today? [closed]

Many browsers now disable Java applets by default, requiring them to be enabled on a per-page basis. It seems like applets have not changed much in the past few years. In fact, it seems that ...