Created
November 22, 2019 22:08
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width"> | |
| <title>repl.it</title> | |
| <link href="style.css" rel="stylesheet" type="text/css" /> | |
| <script> | |
| function clickSortear() { | |
| document.getElementById("resultado").innerHTML = ""; | |
| var alunos = []; | |
| var min = parseInt(document.getElementById("min").value); | |
| var max = parseInt(document.getElementById("max").value); | |
| alunos.push(document.getElementById("aluno1").value); | |
| alunos.push(document.getElementById("aluno2").value); | |
| alunos.push(document.getElementById("aluno3").value); | |
| var questoes = []; | |
| for (var i = 0; i < alunos.length; i++) { | |
| var aluno = alunos[i]; | |
| if (aluno == '') { | |
| continue; | |
| } | |
| var questao = sortearQuestao(min, max); | |
| console.log(questao) | |
| while (jaSorteada(questoes, questao)) { | |
| questao = sortearQuestao(min, max); | |
| } | |
| questoes.push(questao); | |
| mensagem = "aluno " + aluno + " apresenta questão " + questao; | |
| document.getElementById("resultado").appendChild(criarItemLista(mensagem)); | |
| } | |
| } | |
| function criarItemLista(texto) { | |
| var node = document.createElement("LI"); | |
| var textnode = document.createTextNode(texto); | |
| node.appendChild(textnode); | |
| return node; | |
| } | |
| function jaSorteada(questoes, questao) { | |
| for (var j = 0; j < questoes.length; j++) { | |
| if (questao == questoes[j]) { | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| function sortearQuestao(min, max) { | |
| var random = Math.random() * (+max - min) + +min; | |
| return parseInt(random); | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <div> | |
| <label for="aluno1">Intervalo de questões: de </label> | |
| <input type="number" id="min" value="1" style="width: 30px;" /> a <input type="number" style="width: 30px;" value="11" id="max" /> | |
| </div> | |
| <div> | |
| <label for="aluno1">Aluno 1: </label> | |
| <input type="text" id="aluno1" /> | |
| </div> | |
| <div> | |
| <label for="aluno2">Aluno 2: </label> | |
| <input type="text" id="aluno2" /> | |
| </div> | |
| <div> | |
| <label for="aluno3">Aluno 3: </label> | |
| <input type="text" id="aluno3" /> | |
| </div> | |
| <input type="button" value="Sortear" onclick="clickSortear()" /> | |
| <ul id="resultado"> | |
| </ul> | |
| </body> | |
| </html> |
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