Sass字符串函数-To-upper-case()

To-upper-case() 函数将字符串小写字母转换成大写字母

//SCSS
.test {
  text: to-upper-case(aaaaa);
  text: to-upper-case(aA-aAAA-aaa);
}

//CSS
.test {
  text: AAAAA;
  text: AA-AAAA-AAA;
}