App下載
實(shí)例代碼( Tip: 登錄后體驗(yàn)更佳 )
<!DOCTYPE html>
<html>
<body>
<p>表单中 email 字段输入规则为 : characters@characters.domain (characters 后面必须有 @ 标记，, 紧接后面是 characters 和  "."。
在 "." 之后你需要输入 2 到 3 个字母：</p>
<form action="demo-form.php">
  E-mail: <input type="email" id="myEmail" name="email" pattern="[a-z0-9._%+-]+@[a-z0-9.-]+.[a-z]{2,3}$">
  <input type="submit">
</form>
<p>点击 "尝试一下" 按钮查看 email 字段的 pattern 属性的值。</p>
<button onclick="myFunction()">尝试一下</button>
<p><strong>注意：</strong>Internet Explorer 9 及更早 IE 版本，Safari 浏览器不支持 input type="email 元素。</p>
<p id="demo"></p>
<script>
function myFunction() {
    var x = document.getElementById("myEmail").pattern;
    document.getElementById("demo").innerHTML = x;
}
</script>
</body>
</html>
 
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