html5

Explorer canvas drawImage doesn't show anything.

I'm trying to use the explorer canvas project to get HTML5 canvas like functionality in IE. I'm using the latest v3 release. The problem I have is that the html it renders encloses the VML in a div which looks like the following. <div style="position: absolute; width: 0px; height: 0px; overflow: hidden"> ...VML </div> This causes t...

canvas tag drawing lines problem.... ....

I have a canvas tag, I use it draw lines on that, the canvas is a square. I use "space" to record the space between two lines. and I have canvasWidth and canvasHight to record the canvas size, actually, they are the same numnber....320 var x=0; for (var i = 0; i < 5; i++) { x = parseInt(x + space); ...

HTML 5 websockets free ebook

Any body know where I could get an ebook of HTML 5 Websocket and HTML 5 Tutorials? Since I have not been able to find any. Thanks in advance! ...

Weird CSS behavior (sprite nav w/rollover)

Here's the navigation image in question: What I want to do is pretty basic and I've done it numerous times in the past, I just can't understand why it isn't working right now. Basically use the above image as the nav background and adjust the widths and background-positions accordingly. Here is my CSS: #navigation { width: 960px; h...

HTML5 AppCache in UIWebView

I'd like to make use of appcache in my native application on the iPhone. Though Mobile Safari supports appcache it seems that the UIWebView that you can embed in an application does not. I know with a bit of work, I could simulate some sort of appcache like functionality in my application, but this isn't good enough - I'd like access to...

What browsers support html 5 websocket?

Anybody knows what browsers support html5 websocket? Thanks! ...

WebSocket for HTML5

I am going to develop an instant messaging application that runs in the browser. What browsers support the WebSocket API? ...

How to draw a rounded Rectangle on HTML Canvas?

I found that there are only can fill rectangle, but no rounded corner one, how can I do that? ...

What support does Google search have for HTML 5?

Hi, I'm wondering if Google search is aware of tags such as <nav>, <aside>, <section>, etc. that are being added by HTML 5? My navigation comes before my content and I have too many links in it for good SEO. I'd like to use <nav> if Google recognised it rather than using js or a css work around. Thanks, Denis ...

Is it currently "safe" to use arrows from htmlentities instead of arrow images?

In the real world, are there any issues with using the htmlentities in Grade A browsers for → right and left arrows per this link? Can everyone reading this page see these arrows ? Apparently if the character is not in your font set, they won't appear, but so far my work has been to english speaking audiences...don't the arrows come s...

Why does HTML 5 not have editable combobox or local menus built in?

I was wondering, in the new HTML 5, we will get <audio> and <video> tags, but why not native editable combobox and built in local menu support? The reason I'm asking this is because these are the most common problems I face when I have to design a web solution to a typical table based application (e.g. order management app). On a proper...

Is there anything in the works with html5/javascript to prevent opening the same web-app in more than one browser instance?

Okay so it's sorta pointless considering that even if there was support for this you could still open more than one instance if you have more than one browser installed, but I was wondering anyway. ...

URI doesn't validate on W3C Markup Validator, identical direct input does

I'm trying to get a site to validate as HTML5 on the W3C Markup Validator. When I use the "Validate by URI" option, it generates a ton of errors, but when I copy and paste the HTML into the "Validate by direct input", it validates perfectly. When I run a diff on the two sources returned by the validator, the only differences are the Rail...

HTML5/Canvas: Web page preview?

Can I use canvas to generate a thumbnail of a web page? I have a web page that grows in length, vertically, the longer a user's on it (via Ajax), requiring the user to scroll vertically to see the new content on the page. (Think of something like a chatroom.) What I'd like to do is generate a little thumbnail of everything in the brows...

What are the pros and cons of adopting HTML 5 now for a site redesign?

Hi all, I'm working on a large ites re-write that has now come to included a redesign. I have been reading up on HTML 5 and wanted to know what cons are out there to have me avoid adopting it for this design implmentation? The design needs to work in A-grade browsers (yes including IE6 :( ), so I'm wondering how / etc will be rendered...

HTML5 canvas with Processing vs. Pure Javascript

I have some data visualization animations I want to do in a webapp I have and am considering different alternatives I have. It will basically just be moving around text strings in a pretty way. I am using the Mootools framework and the Mootools FX library basically have the stuff i want, but I want to manipulate around 100 text strings,...

What improvements to accessibility are offered by HTML5?

What benefits are offered by HTML5 over HTML 4.01 or XHTML 1.0 Strict for accessibility? ...

Is it possible to get Cufon to work on a button?

So right now I'm bashing my head - at the moment we use an element for a button to give it our own custom font, fine - this works, but as we're using Cufon on the rest of the site, we're wondering if it's possible to get Cufon working on a button. So far I've changed the button to an and using standard css styles on an 'input' or 'inp...

What's the status of the HTML 5 <video> tag and webcam integration?

Even though it seems to be in some kind of jeopardy, the open video standard is a great idea. I saw some demos on motion tracking with it - just proofs-of-concept, but interesting nonetheless. Now, I'd say that concepts like these would really be a gain, if there would be access to the user's webcam... Just imagine browsing through Flick...

jQuery Core/Data or Custom Attributes(Data-Driven)

A similar question was asked here in storing information in a given html element. I'm still green to jQuery, but I'm looking for the best way to store information on the page. I have a Repeater that holds one image per item. These images are clickable and can fire a given jQuery event. The issue I'm having is, the objects that the Repea...