How to use Custom Exceptions in JavaScript?

JavascriptWeb DevelopmentFront End Technology

Use throw statement in JavaScript, to catch custom exceptions. You can try to run the following to work with custom exceptions −

Example

<html>
   <head>
      <script>
         <!--
            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>
raja
Published on 23-Feb-2018 08:18:54
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