Force yourself to learn JavaScript.

screwed.js

// If you're a glutton for punishment, and/or claim
// that JavaScript libraries have too much "bloat",
// use this to force yourself to write JS longhand.

(function(window) {
  function screwed() {
    window.$ = null;
    window.$A = null;
    window.$F = null;
    window.$H = null;
    window.$R = null;
    window.$w = null;
    window.$defined = null;
    window.$type = null;
    window.$merge = null;
    window.$extend = null;
    window.$native = null;
    window.$chk = null;
    window.$pick = null;
    window.$random = null;
    window.$time = null;
    window.$clear = null;
    window.$$ = null;
    window.dojo = null;
    window.Ext = null;
    window.jQuery = null;
    window.SC = null;
    window.YAHOO = null;
    window.YUI = null;
    window.Zepto = null;
    window.setTimeout(screwed, 100);
  }
  screwed();
})(this);