This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
[20, 40, 80, 100].reverse(); | |
//Resultado esperado: [100, 80, 40, 20] | |
[1, 2, 3, 4,5].reverse(); | |
//Resultado esperado: [5, 4, 3, 2, 1] | |
[5, 2, 1, 3,4].reverse(); | |
//Resultado esperado: [4, 3, 1, 2, 5] | |
//Exemplo com modificação e sem modificação no array |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const bandas = ['Audioslave', 'Genesis', 'Black Sabbath', 'Kiss']; | |
console.log(bandas.join()); | |
// Resultado esperado: 'Audioslave,Genesis,Black Sabbath,Kiss' | |
console.log(bandas.join('')); | |
// Resultado esperado: 'AudioslaveGenesisBlack SabbathKiss' | |
console.log(bandas.join('-')); | |
// Resultado esperado: 'Audioslave-Genesis-Black Sabbath-Kiss' |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const array1 = [7, 15, 40, 4, 35]; | |
console.log(array1.includes(40)); | |
//Resultado esperado: true | |
const nomes = ['Leonardo', 'Alberto', 'João', 'Francisco']; | |
console.log(nomes.includes('Alberto')); | |
//Resultado esperado: true |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
//Verifica se todos os números do array são menores do que 40 | |
const array1 = [1, 30, 39, 29, 10, 13]; | |
const res = array1.every((x) => x < 40); | |
console.log(res); | |
// Resultado esperado: true | |
//Verifica se todos os objetos do array tem a propriedade "sobrenome" preenchida | |
const array2 = [{ nome: 'Leonardo', sobrenome: 'Oliveira' }, { nome: 'Alberto' }, { nome: 'João', sobrenome: '' }]; | |
const res2 = array2.every((x) => x.sobrenome); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const arr1 = ['a', { foo: 'bar' }, 'c']; | |
const arr2 = ['d', 'e', { lorem: ['ipsum', 'dolor'] }]; | |
const arr3 = arr1.concat(arr2); | |
console.log(arr3); | |
// Resultado esperado: Array "["a",{"foo":"bar"},"c","d","e",{"lorem":["ipsum","dolor"]}]" |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
document.ready = function(){ | |
}; | |
$(function(){ | |
setInterval(function(){ | |
var _segundo = 1000; | |
var _minuto = _segundo * 60; | |
var _hora = _minuto * 60; |