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Created by James on October 06, 2010 20:54:39
Last update: October 06, 2010 20:55:00
When a JavaScript call is taking too much time, Firefox pops up this message: Of course the solution is to speed up your script. But suppose it really needs to exceed the preset timeout, you can delay the popup by following these steps: Enter about:config in the address bar Ignore the warning and proceed Enter dom.max_chrom in the filter input Change the value of dom.max_chrome_script_run_time to a bigger value (default is 20). For IE, there's a similar dialog with this message: "A script on this page is causing Internet Explorer to run slowly". But rather than counting elapsed time, IE counts the number of statements executed , which is controlled by the registry key HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Styles . You need to create a DWORD value named...
Created by James on June 30, 2010 19:04:45
Last update: July 03, 2010 21:24:33
Technically, file upload cannot be handled by Ajax, because XMLHttpRequest (XHR) does not handle file inputs. All techniques not using Flash rely on an invisible iframe as the upload form submit target. JavaScript then grabs the response content from the iframe and present it, giving the same illusion as Ajax. webtoolkit AIM The technique by webtoolkit is very simple. It involves 3 simple steps: include the AIM script, implement the start/finish JavaScript functions, and add an onsubmit handler to the normal file upload form. The hooked up form looks like:
<head> <script type="text/javascript" src="webt... The AIM script is also quite simple: /** * * AJAX IFRAME METHOD (AIM) * http... The above code only supports HTML responses. In order to support JSON responses, the above...
Created by Dr. Xi on November 23, 2009 23:37:55
Last update: November 24, 2009 04:04:20
IE can be started from JScript as an ActiveX control. Create a file named start_ie.js with the following contents and run (from command line or Run box):
var browser = new ActiveXObject("InternetExplorer....
