x
<html><body><h1>JavaScript Variables</h1><p>In this example, x, y, and z are undeclared.</p><p>They are automatically declared when first used.</p><p id="demo"></p><script> x = 5; y = 6; z = x + y; document.getElementById("demo").innerHTML = "The value of z is: " + z;</script></body><!-- /js/tryit.asp?filename=tryjs_variables_undeclared Thu, 06 Feb 2025 19:15:21 GMT --></html>