<!DOCTYPE html>
<html>
<head>
  1. var s ='This is a string;'//now s is of string data type
  2. var s ='25';//now s is of number or integer data type
  3. var s = true;//now s is of Boolean data type
  4. var s=[0,'one',2,3,'4',5];//now s is of array data type
  5. var s= {'color':'red'}//now s is of object data type. Color is a JavaScript object
  6. var s = function()
  {
    return "example function"
  }
  //The compiler executes the function and stores the return value of the function which is
  //"example function" in the variable s.
  </script>
</head>
<body>
</body>
</html>