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Form Validation Engine 1.7 Online
It’s been a long time since I updated the validation engine. In this release the engine get a very small code overhaul, a fix to the inline ajax validation and also, and more importantly, a new feature makes its entrance:
Validation in overflown div and lightbox with scrollable content is now supported
To get the supported mode you need to add this option when instancing your plugin:
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$("#formID").validationEngine({
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containerOverflow:true, // Enable Overflown mode
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containerOverflowDOM:"#divOverflown" // The actual DOM element container with overflow scroll on it
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})
(With overflown hidden parent)
View demo
The big change in this method is that normally the engine will append every error boxes to the body. In this case it will append every error boxes before the input validated. This add a bit of complexity, if…
14
Crockford on JavaScript
Good morning everyone, having a slow day at work? take the time to listen to these videos, or just put them in background while you work!
“During the past three months, Yahoo!’s JavaScript architect Douglas Crockford delivered a series of public lectures on the JavaScript programming language at Yahoo!. YUI Theater recorded and transcribed each of the five lectures.”
Volume 1: The Early Years
Chapter 2: And Then There Was JavaScript
Act III: Function the Ultimate
Episode IV: The Metamorphosis of Ajax
Part 5: The End of All Things
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Cool web projects that will energize you
Sometimes there are projects that are just way cooler than yours. In this spirit, I wanted to highlights some projects that just flabbergast me. I tried to put more down to earth projects than just “experimental stuff”.
Vanthia
Vanthia is just a browser MMO based on Mootools and Python. The creator worked on it for years and it shows. The UI is great, the game itself looks great, it use canvas and various HTML5 apis. If you are trying to do an MMO javascript based games, I suggest you have a good look at it.
The video is a bit old, it changed quite a bit.
Aves game engine
Aves is a javascript game engine that got an isometric level editor. oh yes, it also got real time features.
Mozilla Hacks HTML5 image…
18
Back to blog 101!
As you can see Position Absolute changed of skin a bit.
Unfortunately since last December, I had less time for the site and I decided to go back to a simple blog. I will be posting more in-depth article about JS, CSS and mobile (I already have 2 articles near ready to ship), but a lot less news.
I am also in the development process of a relatively big web application, and I will certainly share with you every stage of this project.
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In video: John Resig on Advanced Javascript to Improve your Web App
In February 2010 John Resig, the creator and lead developer of the jQuery JavaScript library, spoke at the annual Future of Web Apps Miami conference. During this 25 minute talk John outlines many of the new features and ideas behind jQuery 1.4.
Source from ThinkVitamin.
6
CSS3 transform is coming in a browser near you (even in IE)
There has been some cool developments lately on the use of CSS3 transform properties. First we have Dojo has announced that the next version of dojo.fx will support CSS3 transform. You can see the demo here.
Another nice project, cssSandpaper is a js animation framework making the use of CSS3 transform easy.
Check it out, those two are well worth the read.
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The 10 Golden Principles of Successful Web Apps
Do you instinctively know them before looking at this video?
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Form Validation Engine 1.6.4
Version 1.6.4 is now online. One major upgrade, you can now validate from any function in your script. You are no more bounded to the custom regex engine. And a minor update, you can now click on the bubble to make them disappear, in case they are in the way.
Here how it works:
In your field add:
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<input value="" class="validate[required,funcCall[validate2fields]] text-input" type="text" id="lastname" name="lastname" />
In your language js file have something like (nname is the function name to call):
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"validate2fields":{
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"nname":"validate2fields",
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"alertText":"* You must have a firstname and a lastname"}
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}
Now the custom function that could be anywhere in your JS
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function validate2fields(){
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if($("#firstname").val() =="" || $("#lastname").val() == ""){
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return true;
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}else{
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…
21
In video: Optimizing your javascript!
If you are in a company that build corporate websites, chances are you probably never had to optimize your javascript. Websites in general have 3 or 4 ‘widget’ that in the end do not really slow down the page load.
But when you start doing web applications, you start to feel the load you impose to your browser at every page. This is where optimizing your javascript becomes crucial.
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Server change alert! position-absolute move to webfaction
For now more than a year position-absolute.com has been hosted by linode. Linode offer great unmanaged VPS hosting. This has really been beneficial for my own experience to delve in the Linux world and build my web server from scratch. Buuuutt the time comes when I don’t want to play in apache and mysql config anymore.
Webfaction is a great semi-managed VPS hosting. You get half the ram you would get with an unmanaged VPS but installing an application is as easy as using wordpress. For example, you can deploy a Django application in about 5 minutes.
Things might be unstable for a couple of days.
Articles
Some Tweets
- kind of old, bit I like it http://www.thereisnopagefold.com/
- I really have a love/hate relationship with the E texteditor, so good but so bad at the same time
- onclick on a form instead of submit? Please never do javascript again
- Question: do you think the mobile web has a viable market right more? Pretty hard to convince clients to invest
- I meant jquery mobile.. meh
- Looks like sencha touch will have competition, jquery touch is looking hot!
