css中counter-reset属性是什么

counter-reset:[<标识符><整数>?]+|none|inherit

someSelector{

    counter-reset:counterA;/*计数器counterA初始，初始值为0*/

    counter-reset:counterA 6;/*计数器counterA初始，初始值为6*/

    counter-reset:counterA 4 counter B;/*计数器counterA初始，初始值为4，计数器counterB初始，初始值为0*/

    counter-reset:counterA 4 counterB 2;/*计数器counterA初始，初始值为4，计数器counterB初始，初始值为2*/

}