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Current File : /home/opti/workflow/node_modules/chai/lib/chai/utils/isNaN.js |
/*! * Chai - isNaN utility * Copyright(c) 2012-2015 Sakthipriyan Vairamani <thechargingvolcano@gmail.com> * MIT Licensed */ /** * ### .isNaN(value) * * Checks if the given value is NaN or not. * * utils.isNaN(NaN); // true * * @param {Value} The value which has to be checked if it is NaN * @name isNaN * @api private */ function isNaN(value) { // Refer http://www.ecma-international.org/ecma-262/6.0/#sec-isnan-number // section's NOTE. return value !== value; } // If ECMAScript 6's Number.isNaN is present, prefer that. module.exports = Number.isNaN || isNaN;