diff --git a/.editorconfig b/.editorconfig
old mode 100644
new mode 100755
diff --git a/.gitignore b/.gitignore
old mode 100644
new mode 100755
diff --git a/.learn b/.learn
old mode 100644
new mode 100755
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
old mode 100644
new mode 100755
diff --git a/LICENSE.md b/LICENSE.md
old mode 100644
new mode 100755
diff --git a/README.md b/README.md
old mode 100644
new mode 100755
diff --git a/index.html b/index.html
old mode 100644
new mode 100755
diff --git a/index.js b/index.js
old mode 100644
new mode 100755
index e69de29bb2..c64e5865fd
--- a/index.js
+++ b/index.js
@@ -0,0 +1,24 @@
+function shout (string){
+  return string.toUpperCase();
+}
+
+function whisper (string){
+  return string.toLowerCase();
+}
+
+function logShout(string) {
+  var shouting = string.toUpperCase();
+  console.log(shouting);
+}
+function logWhisper (string){
+  console.log(whisper(string));
+}
+function sayHiToGrandma (string){
+  if (string === string.toLowerCase()){
+    return "I can't hear you!";
+  } else if (string === string.toUpperCase()){
+    return "YES INDEED!";
+  } else if (string === "I love you, Grandma."){
+    return "I love you, too.";
+  }
+}
diff --git a/package.json b/package.json
old mode 100644
new mode 100755
diff --git a/test/index-test.js b/test/index-test.js
old mode 100644
new mode 100755
diff --git a/test/mocha.opts b/test/mocha.opts
old mode 100644
new mode 100755
diff --git a/test/root.js b/test/root.js
old mode 100644
new mode 100755
index 2510bc512a..3ffe0bf22a
--- a/test/root.js
+++ b/test/root.js
@@ -9,7 +9,7 @@ before(function(done) {
     presets: ['es2015']
   });
 
-  jsdom.env('<div></div>', [], {src: babelResult.code}, (err, window) => {
+  jsdom.env('<div></div>', [], {src: babelResult.code, virtualConsole: jsdom.createVirtualConsole().sendTo(console)}, (err, window) => {
     if (err) {
       return done(err);
     }