Question

2667. Create Hello World Function

中文文档

Description

Write a function createHelloWorld. It should return a new function that always returns "Hello World".

 

Example 1:

Input: args = []
Output: "Hello World"
Explanation:
const f = createHelloWorld();
f(); // "Hello World"

The function returned by createHelloWorld should always return "Hello World".

Example 2:

Input: args = [{},null,42]
Output: "Hello World"
Explanation:
const f = createHelloWorld();
f({}, null, 42); // "Hello World"

Any arguments could be passed to the function but it should still always return "Hello World".

 

Constraints:

• 0 <= args.length <= 10

Solutions

Solution 1

function createHelloWorld() {
  return function (...args): string {
    return 'Hello World';
  };
}

/**
 * const f = createHelloWorld();
 * f(); // "Hello World"
 */