Thanks Sander. I got the point
On Mon, Jul 28, 2014 at 4:10 PM, Sander Elias <[email protected]> wrote: > Hi Prem, > > Every {{ something }} is a 2 way binding by default, and there will be a > watch on it. > so you have at least 31 watches in every row. an ng-show and ng-hide also > use a watch, as > do some other directives. so you are probably up to 35-40 watches in each > row. > doing the math, that's 700x35/40=17,500 to 28,000 watches. that's a lot. > > If you push a new expression to the DOM, the logic inside there might > change anything inside the ones already there. > So for everything you push into the DOM, all the watches fire. > > As there are no one-time bindings in the version you use, it has to run > through all the watches every time. > Now you know this, I guess you are surprised that your solution is a quick > as it is now ;) > (adding your last row is executing 35 to 40 times all the watches...., now > 1055Ms seems not so slow anymore is it?) > > Regards > Sander > > > -- > You received this message because you are subscribed to a topic in the > Google Groups "AngularJS" group. > To unsubscribe from this topic, visit > https://groups.google.com/d/topic/angular/LFfvSwHqDKw/unsubscribe. > To unsubscribe from this group and all its topics, send an email to > [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/angular. > For more options, visit https://groups.google.com/d/optout. > -- Regard, Prem -- You received this message because you are subscribed to the Google Groups "AngularJS" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/angular. For more options, visit https://groups.google.com/d/optout.
