Filter Database result From Angular component-CodePudding

I have a result variable in angular component .ts file which holds the data returned from database . Now i have to filter the result variable to show only 20 records and date in ascending or descending order . I am very new to angular dont know too much how to filter this . Can you please give idea how this can he done .

let result;
            switch (hoursType) {
                case HoursType.workhours:
                    result = await this.service.getWorHours(this.username.value);
                    break;
                case HoursType.Outofhourwork:
                    result = await this.service.getNonWork(this.username.value);
                    break;
            }

CodePudding user response：

//to get 20 records
var myItems = result.slice(0, 20);

//to sort by date
 myItems.sort((a, b) => {
      return <any>new Date(b.date) - <any>new Date(a.date);
    });