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Result Size: 625 x 571
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<!DOCTYPE html>
<html>
<body>
<h2>With "use strict":</h2>
<h3>Using an object without declaring it, is not allowed.</h3>
<p>Activate debugging in your browser (F12) to see the error report.</p>
<script>
"use strict";
x = {p1:10, p2:20};   // This will cause an error (x is not defined).
</script>
</body>
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_strict_object by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:39:33 GMT -->
</html>
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