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