Combined debounce and throttle

debounceAndThrottle.js

function debounceAndThrottle(fn, timeout) {
    var throttled = _.throttle(function() {
        fn.apply(null, arguments);
    }, timeout)
    return _.debounce(function() {
        throttled.apply(null, arguments);
    }, timeout);
}

var fn = debounceAndThrottle((a, b) => {
    console.info('RUNNING', a, b);
}, 5000);

$(document).ready(() => {
    $('#btn').on('click', () => {
        console.log('  click');
        fn('a', 'c');
    });
})