递减/递增日期Angular 7

Question

如何使用文档中的这个属性“Date.now()”在 Angular 7 中递减当前日期或递增？

组件

today: number = Date.now()

HTML

<td>{{ today | date: 'dd/MM/yyyy '}}</td>

Answer 1

let date= new Date();
let diff = 1; //1 to increment and -1 to decrement
date.setDate(today.getDate() + diff);