solution outside the tutorial

1-js/05-data-types/05-array-methods/2-filter-range/solution.md

@@ -0,0 +1,14 @@
+``` js run
+function filterRange(arr, a, b) {
+  // added brackets around the expression for better readability
+  return arr.filter(item => (a <= item && item <= b));
+}
+
+let arr = [5, 3, 8, 1];
+
+let filtered = filterRange(arr, 1, 4);
+
+alert( filtered ); // 3,1 (matching values)
+
+alert( arr ); // 5,3,8,1 (not modified)
+```