update

node_modules/bs-recipes/recipes/webpack.monkey-hot-loader/app/main.js

@@ -0,0 +1,24 @@
+function inc(value) { // Play with me
+  return value + 1;
+}
+
+function dec(value) { // and me
+  return value - 1;
+}
+
+// IMPORTANT: it won't work as expected if you'll use addEventListener
+// or $(document).ready as it will bind events again and again...
+// So you may need some workaround for this or split modules in a particular way
+window.onload = function() {
+  var number = document.getElementById('number');
+  var incBtn = document.getElementById('inc');
+  var decBtn = document.getElementById('dec');
+
+  incBtn.addEventListener('click', function() {
+    number.innerHTML = inc(+number.innerHTML);
+  }, false);
+
+  decBtn.addEventListener('click', function() {
+    number.innerHTML = dec(+number.innerHTML);
+  }, false);
+};