more!

figuring out how all of this stuff works, still very confused on where
to include javascript files and how to access the code through all the
modules

index.html

@@ -131,12 +131,16 @@
         <div>
             <div>
             # of Rows:
-            <input id="numRows" type="number" value="0">
+            <input id="numRows" type="number" value="5">
             </div>
 
             <div>
             # of Columns:
-            <input id="numColumns" type="number" value="0">
+            <input id="numColumns" type="number" value="5">
+            </div>
+
+            <div>
+                <button id="button-2DMatrix">Create 2DMatrix</button>
             </div>
         </div>
     </div>

js/create/index.js

 'use strict';
 
-var sandbox = require('./sb');
+const modules = require('../module');
 
-const CAT = () => {
-    console.log("DOG");
+const getNumRows = () => {
+    var row_field = document.getElementById("numRows");
+    return row_field.value;
 };
 
+const getNumColumns = () => {
+    var column_field = document.getElementById("numColumns");
+    return column_field.value;
+};
+
+const fauxData = (r, c) => {
+    var arr = new Array(r);
+    for (var i = 0; i < c; i++) {
+        arr[i] = new Array(c);
+    }
+
+    for (var i = 0; i < r; i++) {
+        for(var j = 0; j < c; j++){
+            arr[i][j] = 0;
+        }
+    }
+    return arr;
+};
+
+const setupButtons = () => {
+
+    var button_2DMatrix = document.getElementById("button-2DMatrix");
+    button_2DMatrix.addEventListener('click',function(){
+        var arr2DTracer = new modules.Array2DTracer();
+        var numRows = getNumRows();
+        var numColumns = getNumColumns();
+        var data = fauxData(numRows, numColumns);
+        console.log(data);
+        arr2DTracer.setData(data);
+    },false);
+};
 
 module.exports = {
-    CAT
-}
+    setupButtons
+};

js/create/sb.js

 'use strict';
 
-const PRINT = () => {
-    console.log("hiya");
-};
 
 module.exports = {
-    PRINT
+
 };

js/index.js

@@ -73,6 +73,9 @@ $(() => {
     } else {
       DOM.showFirstAlgorithm();
     }
+
+    Sandbox.setupButtons();
+
   });
 
   Server.loadWikiList().then((data) => {