Algorithm
30 Days of JavaScript
Return Length of Arguments Passed

2703. Return Length of Arguments Passed

Tags

  • Function Transformations

Link

https://leetcode.com/problems/return-length-of-arguments-passed/description/?envType=study-plan-v2&envId=30-days-of-javascript (opens in a new tab)

Question

Write a function argumentsLength that returns the count of arguments passed to it.

Example 1:
Input: args = [5]
Output: 1
Explanation:
argumentsLength(5); // 1

One value was passed to the function so it should return 1.
Example 2:
Input: args = [{}, null, "3"]
Output: 3
Explanation:
argumentsLength({}, null, "3"); // 3

Three values were passed to the function so it should return 3.
Constraints:
  • args is a valid JSON array
  • 0 <= args.length <= 100

Answer

JavaScript

/**
 * @param {...(null|boolean|number|string|Array|Object)} args
 * @return {number}
 */
var argumentsLength = function (...args) {
  return args.length;
};
 
/**
 * argumentsLength(1, 2, 3); // 3
 */