<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JavaScript strict mode octal value</title>
</head>
<body>
<script type="text/javascript">
// Press F12 - View Syntax error on Console Panel
"use strict";
var var1 = 0644; // SyntaxError: Octal literals are not allowed in strict mode.
document.writeln( var1 );
</script>
</body>
</html>
