DOM events wrapper with auto-unbind from @toddmotto

events-wrapper.js

// addEventListener wrapper
// returns function for auto-unbinding
function on(elem, type, fn) {
    elem.addEventListener(type, fn, false);
    return function () {
        off(elem, type, fn);
    };
}

// removeEventListener wrapper
function off(elem, type, fn) {
    elem.removeEventListener(type, fn, false);
}

// create an events binding function
// that stores all events inside an Array
function bindMyEvents() {
    function someFn() {
        console.log('hi');
    }
    var unbind = [
        // each item inside the Array (once called) is 
        // the return value of the "on" function, where we 
        // can call it to unbind
        on(document, 'click', someFn)
    ];
    // return another closure that when called
    // loops through our Array calling all returned closures
    return function destroy() {
        unbind.forEach(function (fn) {
            fn();
        });
    };
}

// bind your events for whatever purposes
// and get the returned closure from "bindMyEvents"
// calling it will destroy all events
var destroy = bindMyEvents();

// when you're ready, destroy all events
setTimeout(function () {
    destroy();
}, 2000);