如何从数组中删除对象 [英] How can i delete object from an array

问题描述

我已经在 html 页面上列出了数组对象，当我点击它们中的任何一个时，我会得到它的信息，让我解释一下我是如何做的

I have listed array objects on html page, when i click on any of them i get its info, let me explain how i am doing this

我的test.ts文件

this.fetchdata = JSON.parse(localStorage.getItem('education'));
 log(elem) { 
    console.log(elem); 

  }

我的test.html

 <ul id="elements">
          <li *ngFor="let elem of fetchdata" (click)="log(elem)">
              {{elem.title}} {{elem.description}}
          </li>
      </ul>

当我点击我在控制台看到这个 -

when i click i see this in console -

如何从本地存储的key education 数组中删除点击记录?

How can i delete the clicked record from locally stored array in key education ?

推荐答案

跟踪索引

*ngFor="let elem of fetchdata; let index = index"

deleteItem(index){
    this.fetchdata.splice(index, 1);
}

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