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‎DOM/introducao01.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>DOM</title>
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</head>
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<body>
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<h1 id="titulo">Um título qualquer mesmo</h1>
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<p id="paragrafo">Este é apenas um parágrafo contendo um <i> texto em itálico</i> qualquer</p>
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<hr>
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<input type="text" id="user" value="valor preenchido">
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<hr>
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<h2>Lista de tarefas</h2>
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<ol id="listaTarefas">
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<li>Aprender CSS</li>
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<li>Aprender Javascript</li>
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<li>Aprender DOM profundamente</li>
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<li>Criar algo</li>
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</ol>
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<script>
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document.getElementById("titulo").textContent = "titulo alterado 2"
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const lista = document.getElementById("listaTarefas")
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let novaTarefa = "Aplicar à vagas de emprego"
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lista.innerHTML += "<li>teste 2</li>"
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</script>
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</body>
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</html>

‎DOM/introducao01.js‎

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document.getElementById("titulo").textContent = "titulo alterado 2"

‎Readme.md‎

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# Serliv
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Os arquivos desse repositório foram criados durante a gravação da parte de Lógica de Programação com Javascript do [Curso Web Frontend FUndamentos: HTML, CSS e JS + 10 Projetos da Serliv](https://serfrontend.com/cursos/web-fundamentos-html-css/aplicando-desconto.html?d=31&m=09)

‎arrays/array-duplicado.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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let numeros = [4, 8, 1, 0, 4, 23, 98, 9, 100, 7]
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let numeros2 = []
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for (let i = 0; i < numeros.length; i++) {
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let numero = numeros[i] * 2
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// numeros2[numeros2.length] = numero
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numeros2.push(numero) // método push() "empurra" um novo valor no final do array
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}
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console.log(numeros2)
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</script>
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</body>
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</html>

‎arrays/contrario.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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const nomes = ["Amanda", "Beatriz", "Daniel"]
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for (let i = nomes.length - 1; i >= 0; i--) {
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document.write(nomes[i] + "<br>")
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}
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</script>
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</body>
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</html>

‎arrays/dia-semana.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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const diasSemana = ["domingo", "segunda", "terça", "quarta", "quinta", "sexta", "sábado"]
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// 0 1 2 3 4
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const hoje = new Date()
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const diaSemanaHoje = hoje.getDay()
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// alert(diaSemanaHoje)
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alert("Olá, hoje é " + diasSemana[diaSemanaHoje])
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/* new Date().getDay()
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0 - domingo
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1 - segunda
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2 - terça
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3 - quarta
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4 - quinta
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5 - sexta
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6 - sabado
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*/
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</script>
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</body>
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</html>

‎arrays/encontrou.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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const numeros = [2, "<sds>", 5, 6, 2, 1, 0, 9]
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let encontrou = false
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for (let i = 0; i < numeros.length; i++) {
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let n = numeros[i]
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if (n === null || n === undefined || isNaN(n)) {
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encontrou = true
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break
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}
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}
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alert("Encontrou null, undefined ou NaN? " + encontrou)
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</script>
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</body>
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</html>

‎arrays/introducao.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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let nomes = ["João", "Maria", "Daniel", "Beatriz", "Ricardo", "Luciane"] // sintaxe literal
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//let nomes = new Array("João", "Maria", "Daniel", "Beatriz") // sintaxe função construtora
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let nomeDigitado = prompt("Digite seu nome")
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nomes[nomes.length] = nomeDigitado
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for (let i = 0; i < nomes.length; i++) {
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document.write("nome: " + nomes[i] + "<br>")
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}
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document.write("A lista de nomes possui " + nomes.length + " elementos")
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</script>
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</body>
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</html>

‎arrays/meio.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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const numeros = [2, undefined, 31, 0, "9", 12, "qualquer texto", 98, false, [], null]
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let meio = parseInt(numeros.length / 2)
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alert("o elemento que está no meio é o " + numeros[meio])
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</script>
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</body>
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</html>

‎arrays/soma-impares.html‎

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<!DOCTYPE html>
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<html lang="pt-br">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Arrays</title>
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</head>
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<body>
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<h1>Arrays</h1>
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<script>
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const numeros = [2, 3, 5, 6, 2, 1, 0, 9]
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let soma = 0
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for (let i = 0; i < numeros.length; i++) {
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let n = numeros[i]
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if (n % 2 !== 0) {
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// if (!(n % 2 === 0)) {
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soma += n
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}
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}
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alert("a soma dos impares é " + soma)
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</script>
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</body>
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</html>

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