Merge pull request matthewsamuel95#614 from miftahulmuhaemen/add-asss

New Language for Binary Search (JavaScript)

Author: matthewsamuel95

Search/BinarySearch/binary_search_javascript.js

@@ -0,0 +1,29 @@
+/*
+The arrays need to be sorted first, either as ascending or descending. But on this example, we use ascending one.
+ */
+
+var arrays = [4,16,20,26,30,50,80];
+var binary_search = find_variable => {
+
+  let head = 0
+  let rule = arrays.length -1
+
+  while(head <= rule){
+
+    let middle = head + (rule - head) / 2;
+
+    if(arrays[middle] == find_variable)
+      return middle
+
+    else if(arrays[middle] < find_variable)
+      head = middle + 1
+
+    else
+      rule = middle - 1
+  }
+
+  return "it's not exist"
+}
+
+console.log(binary_search(4))
+console.log(binary_search(70))