'isNaN()' Example : isNaN « Javascript Methods « JavaScript Reference

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'isNaN()' Example

    
<html>
<body>
<button onclick="alert(isNaN('12.34'));">isNaN False</button>
<button onclick="alert(isNaN('Hello'));">isNaN True</button>
</body>
</html>








Related examples in the same category

1.'isNaN()' Syntax, Parameters and Note