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46 lines
687 B
46 lines
687 B
5 years ago
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/**
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*
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* VALIDATE: number
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*
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*
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* DESCRIPTION:
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* - Validates if a value is a number.
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*
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*
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* NOTES:
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* [1]
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*
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*
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* TODO:
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* [1]
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*
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*
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* LICENSE:
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* MIT
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*
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* Copyright (c) 2014. Athan Reines.
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*
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*
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* AUTHOR:
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* Athan Reines. kgryte@gmail.com. 2014.
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*
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*/
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'use strict';
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/**
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* FUNCTION: isNumber( value )
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* Validates if a value is a number.
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*
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* @param {*} value - value to be validated
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* @returns {Boolean} boolean indicating whether value is a number
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*/
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function isNumber( value ) {
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return ( typeof value === 'number' || Object.prototype.toString.call( value ) === '[object Number]' ) && value.valueOf() === value.valueOf();
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} // end FUNCTION isNumber()
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// EXPORTS //
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module.exports = isNumber;
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