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How to declare and use static variables in JavaScript

1 Answer

<!DOCTYPE html>
<html>
<head></head>
<body>

<script type="text/javascript">

function f()
{
    if ( typeof f.number == 'undefined' ) 
        f.number = 0;
     
    f.number++;
  
    return f.number;
}

f();
f();
document.write(f() + "<br />");

</script>

</body>
</html>

<!--
run: 

3

-->

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answered Feb 23, 2016 by avibootz
edited Feb 23, 2016 by avibootz

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