clearEventListener.js

// TODO check to `passive` param

function clearEventListener(target) {
    var listeners = getEventListeners(target);

    for (const key in listeners) {
        if (!listeners.hasOwnProperty(key)) {
            continue;
        }

        if (target[`on${key}`]) {
            target[`on${key}`] = null;
            continue;
        }

        for (let i = 0; i < listeners[key].length; i += 1) {
            const item = listeners[key][i];
            target.removeEventListener(key, item.listener, item.useCapture);
        }
    }
}