Completed ShortLongShort

ShortLongShort.js

@@ -0,0 +1,12 @@
+// Write a function that takes two strings as arguments, determines the length
+// of the two strings, and then returns the result of concatenating the shorter
+// string, the longer string, and the shorter string once again. You may assume
+// that the strings are of different lengths.
+
+const shortLongShort = (str1, str2) => {
+  return (str1.length < str2.length ? str1 + str2 + str1 : str2 + str1 + str2);
+};
+
+console.log(shortLongShort('abc', 'defgh'));
+console.log(shortLongShort('abcde', 'fgh'));
+console.log(shortLongShort('', 'xyz'));