Inefficient jQuery Selectors

JavaScript

My PyCharm IDE warns me if I use inefficient jQuery selectors: As I am a bit nosy I wanted to know “how” inefficient these selectors are. So I compared the inefficient $(“#items tbody”); with the optimized $(“#items”).find(“tbody”); Here is the test code: window.onload = function () { test(“unoptimized”, function () { for(var i = 0;…