Neyric.com » error http://neyric.com projects, programming, blogging... Sat, 29 Jan 2011 19:51:22 +0000 en hourly 1 http://wordpress.org/?v=3.3.2 Reporting javascript errors to the server http://neyric.com/2007/04/26/reporting-javascript-errors-to-the-server/ http://neyric.com/2007/04/26/reporting-javascript-errors-to-the-server/#comments Thu, 26 Apr 2007 13:12:13 +0000 neyric http://javascript.neyric.com/blog/?p=21 Continue reading →]]>

In every web application that intensivly uses javascript: errors may occur !
Since I’m not able to fully-test my web-application each time a modification is made, I decided to report javascript
errors to the server. It proved to be very useful to detect bugs very quickly.

Here’s an example on how to do so with YUI :

window.onerror = function(msg, href, lineNo) {
  var postData = 'msg='+msg+'&file='+href+'&line='+
		lineNo+'&infos='+navigator.userAgent;
 YAHOO.util.Connect.asyncRequest('POST', 'report_error.php',
              { success: function(o){}, failure: function(o){} }, postData);
}

I just added “navigator.userAgent” to the parameters of window.onerror, so you know
which browser generated the error.

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