add codeblock language

ShMcK · ShMcK · commit 5ad4d8163d9c · 2016-06-19T23:08:25.000-07:00
diff --git a/setup/tutorial/01/index.md b/setup/tutorial/01/index.md
@@ -5,7 +5,7 @@ A function has inputs and outputs. The inputs we call "parameters" and wrap them
 
 The output is `return`ed from the function.
 
-```
+```js
                     // input
 function doSomething(parameter) {
   // output
