Initial data commit

Task/Binary-search/JavaScript/binary-search-2.js

@@ -0,0 +1,17 @@
+function binary_search_iterative(a, value) {
+  var mid, lo = 0,
+      hi = a.length - 1;
+
+  while (lo <= hi) {
+    mid = Math.floor((lo + hi) / 2);
+
+    if (a[mid] > value) {
+      hi = mid - 1;
+    } else if (a[mid] < value) {
+      lo = mid + 1;
+    } else {
+      return mid;
+    }
+  }
+  return null;
+}