add 2703

Author: fishercoder1534

javascript/_2703.js

@@ -0,0 +1,7 @@
+/**
+ * @param {...(null|boolean|number|string|Array|Object)} args
+ * @return {number}
+ */
+var argumentsLength = function (...args) {
+    return args.length;
+};

paginated_contents/javascript/README.md

@@ -0,0 +1,3 @@
+| #    | Title                                                                                                                                                                                      | Solutions                                                                           | Video                                | Difficulty                               | Tag                                                                  
+|------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------|--------------------------------------|------------------------------------------|----------------------------------------------------------------------
+| 2703 | [Return Length of Arguments Passed](https://leetcode.com/problems/return-length-of-arguments-passed/)                                                                                                            | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/javascript/_2703.js) |                                      | Easy                                     | Javascript