angular-pipes-example-8.js

import {
    Pipe,
    PipeTransform
} from '@angular/core';

@Pipe({
    name: 'testPipe'
})
export class TestPipePipe implements PipeTransform {

    transform(value: string): string {
        let newStr: string = "";
        for (var i = value.length - 1; i >= 0; i--) {
            newStr += value.charAt(i);
        }
        return newStr;
    }

}