js bubble sort

bubble_sort/bubble_sort.js

@@ -0,0 +1,22 @@
+function bubble_sort(arr) {
+  console.log("before:", arr);
+  for (var i=arr.length-1; i>0; i-- ) {
+    for (var j=0; j<i;j++) {
+      if (arr[j] > arr[j+1]) {
+        swap(arr,j,j+1);
+      }
+    }
+  }
+  return arr;
+}
+
+function swap(arr, a, b) {
+    const temp = arr[a];
+    arr[a] = arr[b];
+    arr[b] = temp;
+}
+
+
+array = [5,6,2,4,3,1,0,0]
+
+console.log("sorted:", bubble_sort(array))