Show loading animation for slowscript using AngularJS?

Question

In angularjs 1.2 operations like filtering an ng-repeat with many rows (>2,000 rows) can become quite slow (>1 sec).
I know I can optimize execution times u

Answer 1

You could run the filter in another thread using WebWorkers, so your angularjs page won't block.

If you don't use webworkers the browser could get a javascript execution timeout and stop your angular app completely and even if you don't get any timeout your application freezes until the calculation is done.

UPDATE 23.04.14

I've seen a major performance improvement in a large scale project using scalyr and bindonce