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| 1 | /**
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| 2 | * Checks if the value is NaN.
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| 3 | *
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| 4 | * @param {any} value - The value to check.
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| 5 | * @returns {boolean} `true` if the value is NaN, `false` otherwise.
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| 6 | *
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| 7 | * @example
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| 8 | * isNaN(NaN); // true
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| 9 | * isNaN(0); // false
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| 10 | * isNaN('NaN'); // false
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| 11 | * isNaN(undefined); // false
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| 12 | */
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| 13 | declare function isNaN(value?: any): boolean;
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| 14 |
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| 15 | export { isNaN };
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