###### tags: front-end ![](https://i.imgur.com/xG74tOh.png) # Aula 16 e 17 - Front-End ## Questão 1 ### HTML ```HTML <h1>Tarefinhas</h1> <form> <label> Nova tarefa <input type="text"> </label> <button>Adicionar</button> </form> <hr/> <ul class="a-fazer"> </ul> <ul class="feitas"> </ul> <div> <button> Botão </button> </div> ``` ### CSS ```CSS body { margin: 1em; max-width: 50ch; } ul { list-style-type: none; padding: 0; margin: 0; } li { display: flex; align-items: center; margin-top: 0.5em } li input { margin-right: 0.5em; } li button { margin-left: auto; } .feitas span { text-decoration: line-through; } ``` ### JS ```JS const form = document.querySelector('form'); const input = form.querySelector("input"); const aFazer = document.querySelector(".a-fazer") const feitas = document.querySelector(".feitas") function deletarTarefa(event) { const botaoDeDeletar = event.target; const tarefa = botaoDeDeletar.closest("li"); tarefa.remove(); } function marcarComoFeita(event) { const checkbox = event.target; const tarefa = checkbox.closest("li"); if (checkbox.checked) { feitas.append(tarefa); } else { aFazer.append(tarefa); } } form.addEventListener("submit", event => { event.preventDefault(); const tarefa = document.createElement("li"); const checkbox = document.createElement("input"); checkbox.setAttribute("type", "checkbox"); checkbox.addEventListener("input", marcarComoFeita); const texto = document.createElement("span"); texto.innerText = input.value; const botaoDeDeletar = document.createElement("button"); botaoDeDeletar.innerText = "Deletar"; botaoDeDeletar.addEventListener("click", deletarTarefa); tarefa.append(checkbox); tarefa.append(texto); tarefa.append(botaoDeDeletar); aFazer.append(tarefa); input.value = ""; }) ``` ## Questão 2 ### HTML ```HTML <div> <button> Botão </button> </div> ``` ### CSS ```CSS body { margin: 1em; display: flex; align-items: center; justify-content: center; min-height: 100vh; } div { display: inline-block; padding: 2em; border-radius: 4px; background-color: palevioletred; box-shadow: 0 0 4px rgba(0, 0, 0, 0.5); } button { appearance: none; color: palevioletred; background-color: white; border-radius: 2px; padding: 0.5em; border: 0; font-weight: bold; box-shadow: 2px 2px 2px rgba(0, 0, 0, 0.5); } button:hover, button:focus { box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5); } button:active { box-shadow: 0 0 2px rgba(0, 0, 0, 0.5); } ``` ### JS ```JS const div = document.querySelector("div"); const button = document.querySelector("button"); div.addEventListener("click", () => alert("div clicada")); button.addEventListener("click", (event) => { event.stopPropagation(); alert("button clicado")}); ```