Sander,
give something like {{::foo}} is there a way to ask Angular to re-evaluate the
expression after is considered “stable”?
.m
From: [email protected] [mailto:[email protected]] On Behalf Of
Sander Elias
Sent: domenica 27 luglio 2014 11:40
To: [email protected]
Subject: [AngularJS] Re: Why ng-repeater decrease render performance as the
number of rows increases
Hi Prem,
After I updated your jsbin, the creation of every row took under a single Ms.
The same for every row. row 1 and row 700 alike.
So the problem is not angular updating the DOM.
I guess your problem is that you have a massive amount of 2 way bindings. This
will slow down the page a lot.
(if you have 700 rows, with 5 bindings each, that's 3500!! bindings, all of
those will run on every update of the page.)
you are say you have a complex model, so the true amount of bindings will
probably a lot higher even than the 3500 I just mentions.
On a reasonable modern computer, in my experience up to 4000 bindings isn't a
big problem, provided that it are all well written ones!
Do you really need all those bindings? Your user is scanning your table, and
updates it by hand? The data is highly dynamic, and needs
to be updated as soon as anything comes in from the server?
Also version 1.0.5 is quite old. The newer version of angular are way better
equipped to deal with large(r) number of bindings.
Starting with 1.3.beta-10 (there is a version 17 already!) there is support for
one-time bindings. I think this will solve your problem with the least of
effort.
Regards
Sander
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