javascript

What is a good Javascript graphing library to use with GWT application?

Do you have any suggestions of graphing libraries to use with a GWT project? I need to graph a set of data points and several lines. Also some shading of the area under a line. I am open to suggestions of straight Javascript libraries or Java that I can just use with GWT. ...

jQuery.param() - doesn't serialize javascript Date objects?

jQuery.param({foo: 1}); // => "foo=1" - SUCCESS! jQuery.param({bar: new Date()}); // => "" - OUCH! There is no problem with encodeURIComponent(new Date()), which is what I would have thought param is calling for each member. Also, explicitly using "traditional" param (e.g. jQuery.param(xxx, true)) DOES serialize the dat...

Run javascript after form submission in update panel?

This is driving me crazy! I have read at least 5 questions on here closely related to my problem, and probably 5 or so more pages just from googling. I just don't get it. I am trying to have a jqueryui dialog come up after a user fills out a form saying 'registration submitted' and then redirecting to another page, but I cannot for the ...

Javascript Prototype Best Practice Event Handlers

Hi this question is more a consulting of best practice, Sometimes when I'm building a complete ajax application I usually add elements dynamically for example. When you'r adding a list of items, I do something like: var template = new Template("<li id='list#{id}'>#{value}</li>"); var arrayTemplate = []; arrayOfItem.each(function(item, i...

from ObjectiveC to ECMAscript

Going thru the excellent Apress books on Objective C. To help in my undertanding, I try and recode any Ojective C code samples in Java/Action-script. One common structure in method calls in ObjC leaves me a bit puzzled. -(id) initWithPressure: (float) pressure treadDepth: (float) treadDepth; (in ECMAscript)Would this be most sim...

Cross-browser curved borders

What is the best way to achieve cross-browser(ff,ie>6,chrome,opera,safari) curved corners on a div. I found this article http://jonraasch.com/blog/css-rounded-corners-in-all-browsers and I've followed instructions step by step multiple times, here is my css : #content_wrapper{ -moz-border-radius:25px 25px 25px 25px; -webkit-bord...

Accomplishing This Style of Drop-Down Menus in jQuery

I was browsing the web and found this site. I noticed how the nav bar drop-down works, and I want to implement something similar on my website. Afer going into the source code of the page, I found that those drop-down areas are contained in divs with class fOut. It turns out that this is being done with MooTools. Here is the script its...

CSS/Javascript: multiple columns

hi, I'm looking for a columnizer plugin (making columns of my small divs). It is very important it has the following features: 1) It has to be as light as possible (if it is only css would be great, but I guess it is difficult make it work on IE then...) 2) It has to be cross-browser (I don't need IE6... IE7 and IE8 compatibility is ...

Does HTML5/Canvas Support Double Buffering?

What I'd like to do is draw my graphics on a buffer and then be able to copy it as is to the canvas so I can do animation and avoid flickering. But I couldn't find this option. Anyone know how I can go about this? ...

Is there a generally cross-browser way to use JavaScript to make a div scroll all the way down?

It looks like this: var objDiv = document.getElementById("code"); objDiv.scrollTop = objDiv.clientHeight; works in Chrome, but not FF, and this: var objDiv = document.getElementById("code"); objDiv.scrollTop = objDiv.scrollHeight; works in FF, but not Chrome. Is there a better all around way to do this? ...

How to implement a 'safe' periodical executer without using the Rails helpers?

I am very new to Ruby on Rails and was never really big on writing JavaScript, so the built in helpers were like a tiny silce of heaven. However I have recently learned that using the helper methods creates "obtrusive javascript" so I am doing a tiny bit of refactoring to get all this messy code out of my view. I'm also using the Prototy...

Inconsistent behavior with RegExp Object in RegExp.match

I have detect a strange behavior in regexps created with the RegExp object: With this code: var exp1 = /./; var exp2 = new RegExp('.'); ​ var test1 = exp1.test('large\n\ntext..etc.'); var test2 = exp2.test('large\n\ntext..etc.'); ​ var match1 = 'large\n\ntext..etc.'.match(exp1); var match2 = 'large\n\ntext..etc.'.match(exp2); ...the ...

Read from values from hidden field values in Jquery?

Last two nights I am struggle with below code. The problem is I need to remember expanded (or) collapsed toggles sections and on page reload I have show them as is expanded (or) collapsed. $(function() { $('tr.subCategory') .css("cursor", "pointer") .attr("title", "Click to expand/collapse") ...

GZipping CSS and JS files

I'm using YSlow to improve the speed of my site, and I'm having trouble with the "compress components with gzip" grade. I have this in my .htaccess file: SetOutputFilter DEFLATE AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css application/x-javascript But YSlow is saying There are 4 plain text components that ...

Parsing XML with jQuery

I've used this: $(document).ready(function () { $.ajax({ type: "GET", url: "http://domain.com/languages.php", dataType: "xml", success: xmlParser }); }); function xmlParser(xml) { $('#load').fadeOut(); $(xml).find("result").each(function () { $(".main").append('' + $(this).find("language").text() + ''); $("....

Force element.innerHTML update before javascript sort call

Hi, what is the best practice for this scenario: 1) User clicks "Sort huge javascript array" 2) Browser shows "Sorting..." through element.innerHTML="Sorting" 3) Browser sorts huge javascript array (100% CPU for several seconds) while displaying "Sorting..." message. 4) Browser shows result. Pseudo code: ... <a href="#" onclick="sortHu...

How can I serialize functions using JSON or some other serialization library?

I am trying to create a program that uses javascript to write a simple textadventure that I can then post on my blog and run on my iphone. I have run into a problem though. I was trying to make it so that my program would save it's state into cookies using JSON to convert it into strings and then post it into a cookie but then I realised...

"Home" of Javascript similar to python.org?

Perl, Ruby, Python, Javascript / ecmascript, PHP are all similar in the sense of being open source, open documentation, multi-platform, etc. Perl has http://www.perl.org Ruby has http://www.ruby-lang.org Python has http://www.python.org PHP has http://php.net Is there a "home" for javascript in ...

For my website, is it possible to create a button where users can click on it to create an ICON on their iPhone desktop?

User clicks the button, and an icon is added to the iPhone desktop. If possible, can I activate this button manually? ...

script only works in IE

I have the following JavaScript for show running line: <script type="text/javascript" language="javascript"> //Change script's width (in pixels) var marqueewidth=800 //Change script's height (in pixels, pertains only to NS) var marqueeheight=20 //Change script's scroll speed (larger is faster) var speed=3 //Change script's contents va...