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JavaScript does have isNaN() function: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isNaN https://developer.mozilla.org/en-U

by ranit 9y ago

JavaScript does have isNaN() function: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isNaN https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...

idbehold 9y ago
Better to use Number.isNaN(): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/isNaN https://developer.mozilla.org/en-US/docs/Web/JavaScript/Refe...