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JavaScript Reference Home » Javascript Methods » [ isNaN ]

'isNaN()' Example

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

Related examples in the same category

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

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