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    1. <form action=""><br /> <ul><br /> <li>邮箱:<input type="email"></li><br /> <li>网站:<input type="url"></li><br /> <li>日期:<input type="date"></li><br /> <li>时间:<input type="time"></li><br /> <li>数量:<input type="number"></li><br /> <li>手机号码:<input type="tel"></li><br /> <li>搜索:<input type="search"></li><br /> <li>颜色:<input type="color"></li><br /> <!-- 当我们点击提交按钮就可以验证表单 --><br /> <li><input type="submit" value="提交"></li><br /> </ul><br /> </form><br />![image.png](https://cdn.nlark.com/yuque/0/2021/png/22621004/1632642604651-dac95d7f-5e0c-4923-a3d3-cda7b3c79ade.png#clientId=uf3a76bab-591f-4&from=paste&height=156&id=ue1a984f2&margin=%5Bobject%20Object%5D&name=image.png&originHeight=311&originWidth=354&originalType=binary&ratio=1&size=15328&status=done&style=none&taskId=u19b5d75a-e190-43d9-87b1-c2f07719f8a&width=177) ![image.png](https://cdn.nlark.com/yuque/0/2021/png/22621004/1632642557251-1e1f4226-31c5-4a35-addf-ad498b80be60.png#clientId=uf3a76bab-591f-4&from=paste&height=143&id=u03d08c37&margin=%5Bobject%20Object%5D&name=image.png&originHeight=286&originWidth=542&originalType=binary&ratio=1&size=15979&status=done&style=none&taskId=ub20ad37c-295a-49bb-ad1c-33469b26bff&width=271)