Angular 2订阅共享项目到多个vars

Question

我想将数据分享到两个变量，项目和标题，我该如何实现？

items = [];
title = [];

ngOnInit() {
    this.dataService.fetchData(this.id)
        .subscribe(
        (data) => this.items = data,
        (error) => handleError(error),
    );
}

Answer 1

ngOnInit() {
    this.dataService.fetchData(this.id)
        .subscribe(
        (data) => {
          this.items = data;
          this.title = data;
        },
        (error) => handleError(error),
    );
}

Answer 2

this.dataService.fetchData(this.id)
  .subscribe(
    (data) => this.items = this.title = data,
    (error) => handleError(error),
);