Added bubble sort in js

sorting/Bubble_sort/bubble.js

@@ -0,0 +1,14 @@
+function bubbleSort(items) {
+    var length = items.length;
+    for (var i = 0; i < length; i++) { //Number of passes
+      for (var j = 0; j < (length - i - 1); j++) { //Notice that j < (length - i)
+        //Compare the adjacent positions
+        if (items[j] > items[j + 1]) {
+          //Swap the numbers
+          var tmp = items[j]; //Temporary variable to hold the current number
+          items[j] = items[j + 1]; //Replace current number with adjacent number
+          items[j + 1] = tmp; //Replace adjacent number with current number
+        }
+      }
+    }
+  }