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<!DOCTYPE html> <html> <body> <h1>JavaScript Errors</h1> <p>In this example we have written "alert" as "adddlert" to deliberately produce an error.</p> <p>The name property of the Error object returns the name of the error and the message property returns a description of the error:</p> <p id="demo" style="color:red"></p> <script> try { adddlert("Welcome guest!"); } catch(err) { document.getElementById("demo").innerHTML = err.name + "<br>" + err.message; } </script> </body> </html>
