JIRA pages are "animated" by new widgets popping in, then showing loading icons and then finally displaying their final content. You cannot target any single element on the page while it does that because everything moves around every 500 milliseconds or something like that. You just have to sit there and wait until all done. And then it only loaded X of Y items and you have to click to get the rest which again leads to more layout changes. It's as I am watching the same rube goldberg machine over and over again.

Ok, I can see that something is happening. But that renders the whole UI unusable while it does. And it gets tiresome after the first time.