-新的输入类型
-email
-url
-number
-range
-Date pickers ( date ,month ,week, time , datetime ,datetime-local )
-search
-color
-tel
Input Type -email
-自动校验输入的是否是email
Email： <input type="email" name="user_email" />
Input Type -url
-自动将提交数据变成Url
Homepage： <input type="url" name="user_url" />
Input Type-number
-输入数字
Points： <input type="number" name="" value="2" min="1" max="10" />
Input Type -range
-选择一个范围内容的数字
<input type="range" name="points" min="1" max="10"/>
Input Type -Date pickers
-选择时间
-date -selects date,month adn year
-month-selects month and year
-week -selects week and year
-time -selects time(hour and minute)
-datetime -selects time,date,month adn year (UTC time)
-datetime-local -selects time,date,month and year (local time)
-新元素
-客户端校验