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nodejs/node_modules/is-nan/polyfill.js

@@ -0,0 +1,10 @@
+'use strict';
+
+var implementation = require('./implementation');
+
+module.exports = function getPolyfill() {
+	if (Number.isNaN && Number.isNaN(NaN) && !Number.isNaN('a')) {
+		return Number.isNaN;
+	}
+	return implementation;
+};