Changed event handler from onkeyup to oninput

Author: varunvj1

index.html

@@ -32,7 +32,7 @@ <h1 class="banner p-3 text-primary">TextEditor</h1>
       <div class="col">
         <div class="form-group">
           <label for="text-input">Your Document Text</label>
-          <textarea class="form-control" id="text-input" rows="3" onkeyup="updateText()"></textarea>
+          <textarea class="form-control" id="text-input" rows="3" oninput="updateText()"></textarea>
         </div>
       </div>
       <div class="col">