function Post(item) {

    this.item = item;

​

    this.print = function() {

        var s = this.item;

        return s;

    };

}

var postList = [];

​

window.onload = init;

​

function init() {

    var submitButton = document.getElementById("submitButton");

    submitButton.onclick = getAddedItem;

​

}

​

function getAddedItem() {

​

    var itemInput = document.getElementById("item");

    var item = itemInput.value;

​

    if (item == null || item == "") {

        alert("Please enter an item");

        return;

    } else {

        var post = new Post(item);

        postList.push(post);

        addPostToList(post);

​

        var theForm = document.querySelector("form");

        theForm.reset();

    }

​

    function addPostToList(post) {

        var postList = document.querySelector("ul");

        var li = document.createElement("li");

        li.onclick = removeItem;

        postList.appendChild(li);

        li.innerHTML = post.print();

​

​

    }

}

​

function removeItem(e) {

    e.target.parentElement.removeChild(e.target);

}

​