| 1 | ;
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| 2 |
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| 3 | var isNumber = require('./number');
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| 4 | /**
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| 5 | * Checks whether a value is a NaN number
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| 6 | *
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| 7 | * **Aliases** _nan_
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| 8 | * @function NaN
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| 9 | *
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| 10 | * @example
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| 11 | * var is = require('predicates');
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| 12 | *
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| 13 | * is.NaN(NaN); // true
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| 14 | * is.NaN(10); // false
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| 15 | *
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| 16 | * @param {*} value
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| 17 | * @returns {Boolean}
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| 18 | */
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| 19 | module.exports = function isNotANumber(value) {
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| 20 | return isNumber(value) && isNaN(value);
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| 21 | }; |
| \ | No newline at end of file |