Almost every active website worldwide uses jQuery, you can check stats here , but using it without optimization might make the DOM very slow.
In this article I am going to list down some of the most critical factors that you need to watch out. Even though this not a complete list; taking care of these will help you optimize those jQuery Selector.
** Let's start!**
Whenever you apply any selector in jQuery or SizzleJS, the selector engine goes through the whole DOM to find the specified element.
For example, if you use the code below, it will go through the whole DOM twice in order to find ".myClass" selector.
But instead of that, if you make all the methods in a chained format like this. It will only try to find that class once.
Or if you want to use this element in other places; you can do so by doing it in this way.
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