Chrome等现代浏览器HTML5表单前端验证实例页面

代码:

HTML代码:
<form>
    <p>姓名:<input type="text" required autofocus /></p>
    <p>邮箱:<input type="email" required /></p>
    <p>手机:<input type="tel" pattern="1[0-9]{10}" required /></p>
    <p class="pl40"><input type="submit" /></p>
</form>
                

效果:

姓名:

邮箱:

手机: