<form action="" class="am-form"> <fieldset> <legend>H5 原生表单验证</legend><br> <div class="am-form-group"> <label for="doc-vld-name">用户名:</label><br><br> <input type="text" id="doc-vld-name" minlength="3" placeholder="输入用户名" class="am-form-field" required/><br><br> <label for="doc-vld-name">邮箱:</label><br><br> <input type="email" id="doc-vld-name" minlength="3" placeholder="输入用户名" class="am-form-field" required/><br><br> <label for="doc-vld-name">网址:</label><br><br> <input type="url" id="doc-vld-name" minlength="3" placeholder="输入用户名" class="am-form-field" required/><br><br> <label for="doc-vld-name">年龄:</label><br><br> <input type="age" id="doc-vld-name" minlength="3" placeholder="输入用户名" class="am-form-field" required/><br><br> <label for="doc-vld-name">评论:</label><br><br> <input type="pinglun" id="doc-vld-name" minlength="3" placeholder="输入用户名" class="am-form-field" required/><br><br> </div> <input type="submit"> </fieldset> </form>