How to make changeable themes using CSS and JavaScript

Question

I\'m pretty new to CSS and JavaScript and I was wondering if you could make a script that allows you to change what stylesheet the site uses.

Say: you had a green t

Answer 1

If you want to switch back and forth between themes I recommend using the following for your javascript:

var count = 0

document.getElementById('trigger').onclick = function () {
    count = count + 1;
    if (count%2!=0){
      document.getElementById('default').href = 'changeTheme.css';
    } else {
      document.getElementById('default').href = 'main.css';
    }
};

Then using the markup mentioned earlier