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Created by James on July 04, 2009 16:30:40    Last update: January 11, 2011 21:21:59
If you are looking for a solution for a progress bar, I direct you to the following resources: Bare Naked App provides a simple and elegant solution based on pure CSS with two images. You control the percentage of completion through the background-position attribute of the CSS. HTML: <img src="/images/percentImage.png" alt="... CSS: img.percentImage { background: white url(/imag... Images: (percentImage.png) (percentImage_back.png) WebAppers extended the above solution with JavaScript. They also added several colored images: JQuery UI has a built-in progress bar widget. However, if you want to get to understand some of the foobar needed to get CSS to work (in general) through this example, stay with me for the rest of this note. Initially I was thinking, a progress bar should be easy: just make...
Created by James on June 22, 2010 18:46:31    Last update: January 11, 2011 20:24:42
This is the page: <!DOCTYPE html> <html> <head> <title>jQu... It renders like this in IE 7: However, when you try to scroll to the bottom of the dialog, IE takes long time to respond, the it messes up the title bar: Everything works fine if you take away the relative position in CSS: <style type="text/css"> #dialog .input { ...
Created by James on July 19, 2009 20:51:23    Last update: January 11, 2011 20:14:18
If CSS3 border-image is properly supported, making a rounded corner box is very easy. You just need a round corner image like this: The following markup: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ... would render like this (try it in Firefox 3.5 and Google Chrome): However, IE as of version 8.0 does not support border-image . So until border-image is reliably supported in all major browsers, we still have to rely on tried and true tricks to make it work. In general, I found three general categories of tricks to make rounded corners: Good old tables. This trick creates a table of 9 cells and uses the 8 cells on the perimeter to render the borders and rounded corners. The central cell is used for...
Created by James on January 10, 2011 16:37:20    Last update: January 10, 2011 16:37:20
The following page injects CSS rules with JavaScript. It works fine in Firefox and Chrome. <html> <head> <script type="text/javascrip... But in IE, it breaks with "Unknown runtime error" (seemed like it's trying to interpret the curly brackets in the CSS as JavaScript blocks!): In order to make it work in IE, the code need to be changed to: <html> <head> <script type="text/javascrip... The tricks to identify IE and insert new CSS rules came from Paul Irish .
Created by James on June 30, 2010 20:14:28    Last update: July 03, 2010 18:41:12
The HTML page <!DOCTYPE html> <html> <head> <title>jQu... Client Side Code // called before upload submit function sta... Server Side Code Using Apache Commons FileUpload as example. Upload code (responds to fileUpload.do ): final HttpSession session = httpServletRequest... Progress code (responds to uploadProgress.do ): HttpSession session = httpServletRequest.getSe...
Created by James on October 11, 2009 21:15:53    Last update: October 11, 2009 21:19:39
Many techniques for making rounded corners do not work well when the element being rounded is displayed on a background with a different color (or multiple colors). Example 1: Nifty Cube with JavaScript <html> <head> <base href="http://www.html.i... Example 2: modx Simple Rounded Corner Box <html> <head> <title>Round Corner</title> ... Example 3: CSS3 (does not work in IE) <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ... Example 4: This is one that actually works ! The nifty corner technique can be tweaked to be background friendly, although the JavaScript version didn't work for some reason. <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" ...
Created by Dr. Xi on September 07, 2008 21:14:46    Last update: September 07, 2008 21:14:46
In the simplest form, JavaScript debugging is simply looking at the JavaScript error messages. For IE, there's a yellow mark at the left bottom screen of the browser when a JavaScript error occurs. For Firefox, you need to enter javascript: in the address bar to see the JavaScript errors. These simple tools aren't enough when your JavaScript s become less simple. For IE, you can use the "Microsoft Script Debugger" or "Microsoft Script Editor", which comes with Microsoft Office. This is a pretty good tutorial on the subject: http://www.jonathanboutelle.com/mt/archives/2006/01/howto_debug_jav.html For Firefox, I use firebug , which not only allows you to debug JavaScript, but also to inspect the HTML, DOM and CSS on the page. I use it a lot to modify the CSS on...