我們的代碼是在home.ts創建home.html <div *ngFor="let Server of Servers; let i = index; let f=first; let l=last;" >
<p> {{Servers}}</p>
</div>
陣列如下所示 Servers=['1','2','3'];
我想上home.html頁的結果應該是像: 1
2
3
所以我想group一些保留by business id。我正在尋找的最終結果是這樣的: [[businessID1] => [Object1,Object2的,Object3],[businessID2] => [Object1,Object2的], [businessID3] => [Object1 ,對象2] 我當前的代碼: let groups = new Array;
this.rese