Submit posts in example with enter key

week_9/examples/enter_key/script.js

@@ -45,6 +45,10 @@ class Journal extends React.Component {
   postListener = (event) => {
     // TODO: Listen for the Enter Key
     console.log("KeyCode: " +event.key);
+    if(event.key === 'Enter' && !event.shiftKey) {
+      this.postHandler(event);
+      event.preventDefault();
+    }
   }
 
   postHandler = (event) => {