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authorDanijel Andjelkovic <adanijel99@gmail.com>2022-03-01 20:21:29 +0000
committerDanijel Andjelkovic <adanijel99@gmail.com>2022-03-01 20:21:29 +0000
commit61cb1570a3410c85a4489b97c172e3a50715f36c (patch)
tree8fe4a5b77ea54bba80abc817ce2c9ef0e79e7e66 /sandbox/testAppNevena/Front/node_modules/lodash/isNaN.js
parent21a53d349788c99d2007cba91a923db982353b31 (diff)
parenta9ee9e0a500a4a15bd0b5dcaf041f827228ed309 (diff)
Merge branch 'researchML' into 'dev'
Research ml See merge request igrannonica/neuronstellar!6
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+var isNumber = require('./isNumber');
+
+/**
+ * Checks if `value` is `NaN`.
+ *
+ * **Note:** This method is based on
+ * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
+ * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
+ * `undefined` and other non-number values.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
+ * @example
+ *
+ * _.isNaN(NaN);
+ * // => true
+ *
+ * _.isNaN(new Number(NaN));
+ * // => true
+ *
+ * isNaN(undefined);
+ * // => true
+ *
+ * _.isNaN(undefined);
+ * // => false
+ */
+function isNaN(value) {
+ // An `NaN` primitive is the only value that is not equal to itself.
+ // Perform the `toStringTag` check first to avoid errors with some
+ // ActiveX objects in IE.
+ return isNumber(value) && value != +value;
+}
+
+module.exports = isNaN;