If anyone, like me, didn't know about 'track by' as a way to optimize ng-repeats, here's a couple of articles that explain what it is and why it's beneficial:

If anyone, like me, didn't know about 'track by' as a way to optimize ng-repeats, here's a couple of articles that explain what it is and why it's beneficial: http://www.codelord.net/2014/04/15/improving-ng-repeat-performance-with-track-by/ http://www.codelord.net/2014/04/15/improving-ng-repeat-perfo... http://www.bennadel.com/blog/2556-using-track-by-with-ngrepeat-in-angularjs-1-2.htm http://www.bennadel.com/blog/2556-using-track-by-with-ngrepe...