Stephen Hyland

Mon, 29 Mar 2010 14:34:22 -0400

You are right - there are much more efficient ways to concatenate strings - I also linked to several different blogs of the guys from SitePen in my article.
The interesting thing however was that having 1000 additional JavaScript objects in memory...

Stephen Hyland

Mon, 29 Mar 2010 10:48:30 -0400

This problem with immutable strings has been known about for many years.. Basically, you can't keep appending to strings. Instead use the following Javascript StringBuffer implementation in all your code. It is from an article in 2007.

get engaged in the dynaTrace AJAX Community

Thu, 25 Mar 2010 10:29:35 -0400

Hi Frank
Good request - makes perfect sense. I also run the dynaTrace AJAX Community and would like to ask you to post these requests on our Wish List on our community pages:

Ajax and Javascript objects

Wed, 24 Mar 2010 22:21:02 -0400

Good article Andreas!

Last year I gave a talk at TheServerSide Symposium on Browser Project in Ajax Applications. I used PushToTest TestMaker to drive an Ajax application on IE 6 and 7 and on Firefox 3. I did the research to learn why...

IE7 Garbage Collection Issues with many JavaScript objects and growing strings

Wed, 24 Mar 2010 12:56:04 -0400

I created a sample to show the performance difference between AJAX calls using XML vs. JSON. In that sample I came across a huge performance problem in IE7 (probably even worse in IE6) caused by too many and too large JavaScript objects. Newer...

Support Forums: Message List - IE7 Garbage Collection Issues with many JavaScript objects and growing strings

Stephen Hyland

Stephen Hyland

get engaged in the dynaTrace AJAX Community

Ajax and Javascript objects

IE7 Garbage Collection Issues with many JavaScript objects and growing strings