Initial project upload

frontend/node_modules/core-js/modules/es.number.is-nan.js

@@ -0,0 +1,11 @@
+'use strict';
+var $ = require('../internals/export');
+
+// `Number.isNaN` method
+// https://tc39.es/ecma262/#sec-number.isnan
+$({ target: 'Number', stat: true }, {
+  isNaN: function isNaN(number) {
+    // eslint-disable-next-line no-self-compare -- NaN check
+    return number !== number;
+  }
+});