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<!DOCTYPE html> <html> <body> <h2>JavaScript Objects</h2> <p>To test if an object does not exist, test if the type is undefined:</p> <p id="demo"></p> <script> document.getElementById("demo").innerHTML = typeof myObj === "undefined"; </script> </body> <!-- /js/tryit.asp?filename=tryjs_mistakes_object_undefined Thu, 06 Feb 2025 19:15:30 GMT --> </html>
