JavaScript throw 语句

JavaScript throw 语句

<html>

   <head>

      <script type = "text/javascript">
         <!--
            function myFunc() {
               var a = 100;
               var b = 0;

               try {
                  if ( b == 0 ) {
                     throw( "Divide by zero error." );
                  }

                  else {
                     var c = a / b;
                  }
               }

               catch ( e ) {
                  alert("Error: " + e );
               }
            }
         //-->
      </script>
   </head>

   <body>
      <p>Click the following to see the result:</p>

      <form>
         <input type = "button" value = "Click Me" onclick = "myFunc();" />
      </form>

   </body>
</html>