html - Angular 2 : Adding ngClass to the element based on the click event

我希望 Clicked 类一次仅应用于一个单击的元素。单击其他元素后，第一个单击的元素不应再具有该类。它应该有点像 this.clicked 到那个特定的元素。

  .rangeContainer{
    width: 100%;
    height: 46px;
    }
    .range{
      height: 42px;
      background-color: #F6F6F6;
      color: #035688;
      font-size: 12px;
      font-weight: 800;
      line-height: 46px;
      padding: 15px 20px;
      cursor: pointer;
    }
    .clicked{
      background-color: white;
      color: #7A232E;
      border-top: 6px solid #7A232E;
    }

I want the 

<div class="rangeContainer">
    <span (click)="click = !click" [ngClass]="{'clicked' : click}" class="range">K4 - K5</span>
    <span (click)="click = !click" [ngClass]="{'clicked' : click}"class="range">1ST - 2ND</span>
    <span (click)="click = !click" [ngClass]="{'clicked' : click}"class="range">3RD - 4TH</span>
    <span (click)="click = !click" [ngClass]="{'clicked' : click}"class="range">5TH - 8TH</span>
</div>

最佳答案

<span
  *ngFor="let range of ['K4 - K5', '1ST - 2ND', '3RD - 4TH', '5TH - 8TH']; let i = index"
  (click)="activeIndex = i"
  [ngClass]="{ clicked : activeIndex === i }" class="range" >
  {{ range }}
</span>

Plunker Example

关于html - Angular 2 : Adding ngClass to the element based on the click event，我们在Stack Overflow上找到一个类似的问题：https://stackoverflow.com/questions/44188271/