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- <!doctype html>
- <html>
- <head>
- <title>
- Первые шаги в JS
- </title>
- <meta charset="UTF-8">
- </head>
- <body>
- <div>
- Email
- </div>
- <input id='emailInput' placeholder='Введите e-mail'>
- <button onclick='CheckEMail(emailInput.value)'>Проверить e-mail</button>
- <script>
- function CheckEMail(email)
- {
- if (!email.includes('@'))
- {
- alert("E-mail должен содержать символ '@'");
- }
- }
- </script>
- <div>
- Вывод массива:
- <button onclick="showArr()">
- Вывести массив
- </button>
- <div id='arrResult'>
- </div>
- <script>
- function showArr()
- {
- let ar = [6, 1, 4, 2, 7, 4, 8, 3];
- ar.sort();
- arrResult.innerHTML = `<table border="2" cellspacing="2" width="200" cellpadding="5"><tr>`;
- for (let i = 0; i < ar.length; i++)
- {
- arrResult.innerHTML += `<td style="text-align: right">${ar[i]}</td>`;
- }
- arrResult.innerHTML += `</tr></table>`;
- }
- </script>
- </div>
- </body>
- </html>
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