Exercise complete

repeatString/repeatString.js

@@ -1,10 +1,13 @@
 const repeatString = function(word, times) {
 	let arr = [];
 
-	
+	if (times < 0) {
+		return 'ERROR';
+	} else {
 		for (let i = 0; i < times; i++) {
 			arr.push(word);
 		}
+	}
 
 	return arr.join('');
 }