gistfile1.txt

// 1. What does this function do?  How would you call it?
function doWork(a) {
    return function(b) {
        return a + b;
    }
}

// 2. What does this function do?  How would you call it?
function doWork(id) {
    return fetch(`http://somewhere.com/book/${id}`)
        .then(response => {
            return response.json();
        })
        .then(json => {
            return json.author;
        });
}

// 3. What does this function do?  If you were asked to provide comments on this code (like in a code review),
// what would you comment on?
function setupClickHandlers() {
    var x = document.querySelectorAll('.list-item');
    for (var i = 0; i < x.length; i++){
    var x1 = x[i];
        x1.onclick = function(evt) {
        var ET = evt.target;
        if(ET.className.indexOf('active') != -1) {
            ET.className = 'list-item';
        } else {
            ET.className = 'list-item active';
        }
    }
    }
}