Catch exception throwed from assert function : assert « Development « JavaScript Tutorial






  1. JavaScript Tutorial
  2. Development
  3. assert
<html>
    <head>
        <title>Try Catch Example</title>
        <script type="text/javascript">
                function assert(bCondition, sErrorMessage) {
                    if (!bCondition) {
                        throw new Error(sErrorMessage);
                    }
                }



                try {
                    assert(1 == 2, "Two numbers are required.");
                } catch (oException) {
                    alert(oException.message);      //outputs "Two numbers are required."
                }

        </script>
    </head>
    <body>
    </body>
</html>








4.1.assert
4.1.1.Assert method
4.1.2.Catch exception throwed from assert function