update solve problem to sleep

Author: nutkiattisak

2621. sleep/index.js

@@ -0,0 +1,5 @@
+const sleep = async (millis) => {
+  return new Promise((resolve) => {
+    setTimeout(resolve, millis)
+  })
+}

README.md

@@ -11,8 +11,8 @@
 | Apply Transform Over Each Element in Array   |    ✅     |
 | Filter Elements from Array                   |    ✅     |
 | Array Reduce Transformation                  |    ✅     |
-| Function Composition                         |           |
-| Return Length of Arguments Passed            |           |
+| Function Composition                         |    ✅     |
+| Return Length of Arguments Passed            |    ✅     |
 | Allow One Function Call                      |           |
 | Memoize                                      |           |
 | Add Two Promises                             |           |
@@ -23,7 +23,7 @@
 | Cache With Time Limit                        |           |
 | Debounce                                     |           |
 | Execute Asynchronous Functions in Parallel   |           |
-| Is Object Empty                              |           |
+| Is Object Empty                              |    ✅     |
 | Chunk Array                                  |           |
 | Array Prototype Last                         |           |
 | Group By                                     |           |