hidding the text are until needded

index.html

@@ -35,9 +35,7 @@
     <div id="masterApp"></div>
     <div id="canvasApp"></div>
     <div id="textAreaDiv">
-        <textarea id="textArea" rows="4" cols="50" spellcheck="false">
-          At w3schools.com you will learn how to make a website. We offer free tutorials in all web development technologies. 
-        </textarea>
+        <textarea id="textArea" spellcheck="false" style="border: none; outline: none; box-shadow: none; overflow:hidden;  width: 0px; height: 0px;"></textarea>
     </div>
 
 </body>