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How to use Custom Exceptions in JavaScript?
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>
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