程式碼示範:
<fieldset> <legend>表单演示</legend> <form action="" method="POST" id="form1" oninput="output.value=parseInt(range.value)"> <input type="text" autofocus="autofocus" required pattern="\d+" name="auto" placeholder="必填项测试" /> <input type="number" name="demoNumber" min="1" max="100" step="2" /> <input type="email" placeholder="请输入邮箱" name="mail" /> <input type="url" name="url" placeholder="输入正确的网址" /> <br /> 日期:<input type="datetime" name="time" /> 颜色:<input type="color" name="color" /><br /> <br /> <input type="range" min="0" max="50" step="5" name="range" value="0" /> <output name="output">0</output> <br /> <input type="submit" value="提交表单" /> </form> 表单外的input标签: <input type="text" form="form1" name="demo" /> </fieldset>