2744. 대소문자 바꾸기

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Solutions

2744.mjs

const testcases = [
  {
    input: 'WrongAnswer',
    output: 'wRONGaNSWER',
  },
  {
    input: 'Abc',
    output: 'aBC',
  },
];

function solution(input) {
  let output = '';

  for (let i = 0; i < input.length; i++) {
    const char = input[i];

    if (char.toLowerCase() === char) {
      output += char.toUpperCase(); // Lowercase
    } else {
      output += char.toLowerCase(); // Uppercase
    }
  }

  return output;
}

export default { testcases, solution };

2744.cjs

const testcases = [
  {
    input: 'WrongAnswer',
    output: 'wRONGaNSWER',
  },
  {
    input: 'Abc',
    output: 'aBC',
  },
];

function solution(input) {
  let output = '';

  for (let i = 0; i < input.length; i++) {
    const char = input[i];

    if (char.toLowerCase() === char) {
      output += char.toUpperCase(); // Lowercase
    } else {
      output += char.toLowerCase(); // Uppercase
    }
  }

  return output;
}

module.exports = { testcases, solution };

2744.mts

import type { Testcases, Input, Output } from 'bananass';

const testcases = [
  {
    input: 'WrongAnswer',
    output: 'wRONGaNSWER',
  },
  {
    input: 'Abc',
    output: 'aBC',
  },
] satisfies Testcases;

function solution(input: Input): Output {
  let output = '';

  for (let i = 0; i < input.length; i++) {
    const char = input[i];

    if (char.toLowerCase() === char) {
      output += char.toUpperCase(); // Lowercase
    } else {
      output += char.toLowerCase(); // Uppercase
    }
  }

  return output;
}

export default { testcases, solution };

2744.cts

import type { Testcases, Input, Output } from 'bananass';

const testcases = [
  {
    input: 'WrongAnswer',
    output: 'wRONGaNSWER',
  },
  {
    input: 'Abc',
    output: 'aBC',
  },
] satisfies Testcases;

function solution(input: Input): Output {
  let output = '';

  for (let i = 0; i < input.length; i++) {
    const char = input[i];

    if (char.toLowerCase() === char) {
      output += char.toUpperCase(); // Lowercase
    } else {
      output += char.toLowerCase(); // Uppercase
    }
  }

  return output;
}

module.exports = { testcases, solution };

Explanation