Angular内置的就是
The chained hero's birthday is{{ birthday | date | uppercase}}
UpperCasePipe
| npm Package | @angular/common |
|---|---|
| Module | import {UpperCasePipe} from'@angular/common'; |
| Source | common/src/pipes/case_conversion_pipes.ts |
@L_403_5@Description
Transforms text to uppercase.
源码：https://github.com/angular/angular/blob/5.0.0-rc.0/packages/common/src/pipes/case_conversion_pipes.ts#L57-L72
