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<html><body><h2>With "use strict":</h2><h3>For security reasons, eval() is not allowed to create variables in the scope from which it was called.</h3><p>Activate debugging in your browser (F12) to see the error report.</p><script>"use strict";eval ("var x = 2");alert (x); // This will cause an error </script></body><!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_strict_eval2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:06:51 GMT --></html>