Remove JQuery dependency.

[bklik]

Looking at your code, I don't really see why you're using JQuery. You could easily remove this dependency by replacing it with native JavaScript calls.

e.g.
var dom = document.body;
var element = document.querySelector('.class-name');
if(element.classList.contains('class-name') {};
element.addEventListener('click|keydown', function);
etc.

[pzi]

Dupe of #14

[bklik]

Derp