backend feladat

2026-02-13 19:14:10 +01:00
parent 6afdef6a30
commit 622d4a3321
877 changed files with 87856 additions and 0 deletions
@@ -0,0 +1,11 @@
+'use strict';
+
+var $isNaN = require('./isNaN');
+
+/** @type {import('./sign')} */
+module.exports = function sign(number) {
+	if ($isNaN(number) || number === 0) {
+		return number;
+	}
+	return number < 0 ? -1 : +1;
+};