FTT-JavaScript/aulajs10.html at master · luizgustavo77/FTT-JavaScript · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>JavaScript Aula 10</title>
        <script>
            var contador = 100;  //Variável global

            function novoItem() {

                let i = 10;

                var lista = document.getElementById("lista");
                var li = document.createElement("li");

                li.innerHTML = "Item " + contador;
                lista.appendChild(li);

                contador++;

            }
            function limpaItens() {
                var lista = document.getElementById("lista");
                lista.innerHTML = '';
            }
        </script>
    </head>
    <body>
        <h1>JavaScript Aula 10</h1>
        <h2>createElement</h2>
        <button onclick="novoItem();">Novo Item</button>
        <button onclick="limpaItens();">Limpa Itens</button>
        <ol id="lista" style="width: 50%; background-color: aqua">
        </ol>
    </body>
</html>