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<title>JavaScript strict mode ParseInt()</title>
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<pre> <!-- Use pre element for work document.writeln() method -->
<script type="text/javascript">
"use strict";
var var1 = '0644';
var octalval = parseInt(var1, 8);
var hexadecimalval = parseInt(var1, 16);
document.writeln( octalval );
document.writeln( hexadecimalval );
</script>
</pre>
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