JavaScript Undefined Example

            <!DOCTYPE html>
<html>
<head>
  <title>JavaScript Undefined  Example</title>
</head>
  <body>
   <h2>JavaScript Undefined  Example</h2>
   <p>The undefined Property</p>
   
    <script>
      let car1= "audi";
      let car2;
      document.write(car1 + "<br>" + car2);   
   </script>       
  </body>
</html>
        

            
        