算术运算的左侧和右侧必须为"any"，"number"或枚举类型

问题描述

我收到以下错误.我无法找出我到底出了什么问题.有人可以帮我解决问题的方法

I am getting the following error. I am not able to find out where exactly i went wrong.Can someone help me out with the solution

代码

 function() {
    this.devices.forEach(device => {
      let lastConnect = device.lastConnection.split('+');
      lastConnect = lastConnect[0] + 'Z';
      let diff = Math.abs(new Date() - new Date(lastConnect));//getting error here
}

推荐答案

我发现了问题所在.

您编写的代码仅在 JavaScript

Math.abs(new Date() - new Date(lastConnect)) .

为了使其能够在 Typescript 中使用，请更新代码，如下所示:

In order to make it work in Typescript, update the code as shown below:

Math.abs(Date().getTime() - new Date(lastConnect).getTime());

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