editing file names

Sorts/ShellSort.js

@@ -0,0 +1,36 @@
+/*
+ * Shell Sort sorts an array based on  insertion sort algorithm
+ * more information: https://en.wikipedia.org/wiki/Shellsort
+ *
+ */
+function shellSort (items) {
+  var interval = 1
+
+  while (interval < items.length / 3) {
+    interval = interval * 3 + 1
+  }
+
+  while (interval > 0) {
+    for (var outer = interval; outer < items.length; outer++) {
+      var value = items[outer]
+      var inner = outer
+
+      while (inner > interval - 1 && items[inner - interval] >= value) {
+        items[inner] = items[inner - interval]
+        inner = inner - interval
+      }
+      items[inner] = value
+    }
+    interval = (interval - 1) / 3
+  }
+  return items
+}
+
+// Implementation of shellSort
+
+var ar = [5, 6, 7, 8, 1, 2, 12, 14]
+// Array before Sort
+console.log(ar)
+shellSort(ar)
+// Array after sort
+console.log(ar)