Chapter 6 - Word Replacement Game

The finished program from Chapter 6 of Writing Computer Code by Chris Minnick and Eva Holland

by yemek999

CSS

body {
    font-family: "Comic Sans MS";
}
#inputWords {
    float:left;
    width: 45%;
}
ul {
    list-style-type: none;
    padding: 0px;
    margin: 0px;
}
li {
    line-height: 2em;
    text-transform: uppercase;
    margin-top: 8px;
}
input[type=text] {
    border-width: 0 0 1px 0;
    border-color: #333;
}
#buttonDiv {
    text-align: center;
}
#replaceButton {
    margin-top: 30px;
    width: 200px;
}
#story {
    margin-top: 12px;
    width: 45%;
    border: 1px dashed blue;
    padding: 8px;
    float: left;
}
.replacement {
    text-decoration: underline;
    text-transform: uppercase;
}

JavaScript

var replaceButton = document.getElementById("replaceButton");
replaceButton.addEventListener("click",replaceIt);

function replaceIt() {
    var storyDiv = document.getElementById("story");
    var adj1 = "<span class='replacement'>"+ document.getElementById("adj1").value + "</span>";
    var verbIng = "<span class='replacement'>"+ document.getElementById("verbIng").value + "</span>";
    var roomInHouse = "<span class='replacement'>"+ document.getElementById("roomInHouse").value + "</span>";
    var color = "<span class='replacement'>"+ document.getElementById("color").value + "</span>";
    var nounPlural = "<span class='replacement'>"+ document.getElementById("nounPlural").value + "</span>";
    var pastVerb = "<span class='replacement'>"+ document.getElementById("pastVerb").value + "</span>";
    var beverage = "<span class='replacement'>"+ document.getElementById("beverage").value + "</span>";
    var musicType = "<span class='replacement'>"+ document.getElementById("musicType").value + "</span>";
    var diffRoom = "<span class='replacement'>"+ document.getElementById("diffRoom").value + "</span>";
    var exclamation = "<span class='replacement'>"+ document.getElementById("exclamation").value + "</span>";
    var pastVerb2 = "<span class='replacement'>"+ document.getElementById("pastVerb2").value + "</span>";
    var adjDance = "<span class='replacement'>"+ document.getElementById("adjDance").value + "</span>";
    var animal = "<span class='replacement'>"+ document.getElementById("animal").value + "</span>";
    var city = "<span class='replacement'>"+ document.getElementById("city").value + "</span>";
    var verb = "<span class='replacement'>"+ document.getElementById("verb").value + "</span>";
    
    var theStory = "<h1>Douglas's Dance Party</h1>";
    theStory += "One " + adj1 + " day, Douglas was " + verbIng + " in his " + roomInHouse + ", reading a book about " + color + " " + nounPlural + ".<br><br>";
    theStory += "As he " + pastVerb + " his "...