javascript typeof 运算符

javascript typeof 运算符

<html>
   <body>

      <script type = "text/javascript">
         <!--
            var a = 10;
            var b = "String";
            var linebreak = "<br />";

            result = (typeof b == "string" ? "B is String" : "B is Numeric");
            document.write("Result => ");
            document.write(result);
            document.write(linebreak);

            result = (typeof a == "string" ? "A is String" : "A is Numeric");
            document.write("Result => ");
            document.write(result);
            document.write(linebreak);
         //-->
      </script>

      <p>Set the variables to different values and different operators and then try...</p>
   </body>
</html>