<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>练习</title></head><body><form action=""><strong>用户注册</strong><br><br>账号：<input type="text" name="" placeholder="不超过八个字符" ><br><br>密码：<input type="password" name="" placeholder="6-16个字符" ><br><br>邮箱：<input type="email" name="" placeholder="example@mail.com" ><br><br>年龄：<input type="number" name="" placeholder="18" style="width: 20px" ><br><br>生日：<input type="text" name="" placeholder="年 /月/日" ><br><br>课程：<select name=""><option value="html" >html</option><option value="java" >java</option></select><br><br>爱好：<input type="checkbox" name="ai_hao">打游戏<input type="checkbox" name="ai_hao">看电影<input type="checkbox" name="ai_hao">撸代码<br><br>性别：<input type="radio" name="xinbie">男<input type="radio" name="xinbie">女<input type="radio" name="xinbie">保密<br><br>简介：<textarea name="" id="" cols="30" rows="10"></textarea><br><br><input type="submit" value="提交"><input type="button" value="Ajax" style="border-radius: 5px"></form></body></html>
html基础表单
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