LMAO

fuckYouJquery.js

Backbone.$ = function(el) {
    return {
        on: function(eventName, handler) {
            el.addEventListener(eventName, handler)
        },

        off: function() {
            console.error("`off` isn't implemented. If you need to use this, implement it or you'll get memory leaks")
        }
    }
}