javascript - Mobile Safari on iOS crashes on big pages

Question

I have a problem where Mobile Safari crashes when loading and manipulating the DOM with jQuery when the pages get too big.

I get the same problem on both iPhone and iPad.

What are the best way to troubleshoot mobile pages to find the error? Are there any known problems that might crash Mobile Safari?

Answer 1

I actually found the problem. It wasn't with JS as I thought, but with the CSS. I added class to make a CSS transition to fade in some elements. For anonymous users these elements had display: none; and probably never ran the opacity transition.

The strange thing is that the transitions was on exactly two elements. So why would this only crash on long threads with 100+ comments?

So the bottom line is: -webkit-transition crashed the page on mobile safari.