>The types of optimizations you are suggesting are extremely hard to track down
Except that it's not, because you can use profiling in modern browsers to figure out where the time is being spent.
>It's probably that in order to gain the 'sticky' affect you want that jquery plugin you're using is listening to a window.onscroll or something, and unless you want to dig into the code of every library you're using you probably won't know why.
But that's not what the author is arguing, and it has nothing to do with adding elements to the DOM via jQuery vs via lower level methods.
Except that it's not, because you can use profiling in modern browsers to figure out where the time is being spent.
>It's probably that in order to gain the 'sticky' affect you want that jquery plugin you're using is listening to a window.onscroll or something, and unless you want to dig into the code of every library you're using you probably won't know why.
But that's not what the author is arguing, and it has nothing to do with adding elements to the DOM via jQuery vs via lower level methods.