3.7 KiB
3.7 KiB
title | id | localeTitle | challengeType |
---|---|---|---|
Hash from two arrays | 595671d4d2cdc305f0d5b36f | 595671d4d2cdc305f0d5b36f | 5 |
Description
Utilizando dos matrices de igual longitud, cree un objeto Hash donde los elementos de una matriz (las claves) estén vinculados a los elementos de la otra (los valores)
Tarea relacionada: Arreglos asociativos / CreaciónInstructions
Tests
tests:
- text: <code>arrToObj</code> es una función.
testString: 'assert(typeof arrToObj === "function", "<code>arrToObj</code> is a function.");'
- text: ' <code>arrToObj([1, 2, 3, 4, 5], ["a", "b", "c", "d", "e"])</code> debe devolver <code>{ 1: "a", 2: "b", 3: "c", 4: "d", 5: "e" }</code> '
testString: 'assert.deepEqual(arrToObj(...testCases[0]), res[0], "<code>arrToObj([1, 2, 3, 4, 5], ["a", "b", "c", "d", "e"])</code> should return <code>{ 1: "a", 2: "b", 3: "c", 4: "d", 5: "e" }</code>");'
- text: ' <code>arrToObj([1, 2, 3, 4, 5], ["a", "b", "c", "d"])</code> debe devolver <code>{ 1: "a", 2: "b", 3: "c", 4: "d", 5: undefined }</code> '
testString: 'assert.deepEqual(arrToObj(...testCases[1]), res[1], "<code>arrToObj([1, 2, 3, 4, 5], ["a", "b", "c", "d"])</code> should return <code>{ 1: "a", 2: "b", 3: "c", 4: "d", 5: undefined }</code>");'
- text: ' <code>arrToObj([1, 2, 3], ["a", "b", "c", "d", "e"])</code> debe devolver <code>{ 1: "a", 2: "b", 3: "c" }</code>
testString: 'assert.deepEqual(arrToObj(...testCases[2]), res[2], "<code>arrToObj([1, 2, 3], ["a", "b", "c", "d", "e"])</code> should return <code>{ 1: "a", 2: "b", 3: "c" }</code>");'
- text: ' <code>arrToObj(["a", "b", "c", "d", "e"], [1, 2, 3, 4, 5])</code> debe devolver <code>{ "a": 1, "b": 2, "c": 3 , "d": 4, "e": 5 }</code> '
testString: 'assert.deepEqual(arrToObj(...testCases[3]), res[3], "<code>arrToObj(["a", "b", "c", "d", "e"], [1, 2, 3, 4, 5])</code> should return <code>{ "a": 1, "b": 2, "c": 3 , "d": 4, "e": 5 }</code>");'
- text: ' <code>arrToObj(["a", "b", "c", "d", "e"], [1, 2, 3, 4])</code> debe devolver <code>{ "a": 1, "b": 2, "c": 3 , "d": 4, "e": undefined }</code> '
testString: 'assert.deepEqual(arrToObj(...testCases[4]), res[4], "<code>arrToObj(["a", "b", "c", "d", "e"], [1, 2, 3, 4])</code> should return <code>{ "a": 1, "b": 2, "c": 3 , "d": 4, "e": undefined }</code>");'
- text: ' <code>arrToObj(["a", "b", "c"], [1, 2, 3, 4, 5])</code> debe devolver <code>{ "a": 1, "b": 2, "c": 3 }</code> '
testString: 'assert.deepEqual(arrToObj(...testCases[5]), res[5], "<code>arrToObj(["a", "b", "c"], [1, 2, 3, 4, 5])</code> should return <code>{ "a": 1, "b": 2, "c": 3 }</code>");'
Challenge Seed
function arrToObj (keys, vals) {
// Good luck!
return true;
}
After Test
console.info('after the test');
Solution
function arrToObj (keys, vals) {
return keys.reduce((map, key, index) => {
map[key] = vals[index];
return map;
}, {});
}