how to hide and show divs angular code example

Example 1: hide and show in angular 8

<button (click)="toggleShow()" type="checkbox" >show/hide</button>

<div *ngIf="isShown" class="row container-fluid"  id="divshow" >
Div Content

</div>

Example 2: hide and show in angular 8

/* Component */
isShown: boolean;

ngOnInit(){
  isShown = false; //hidden every time subscribe detects change
}

toggleShow() {
  this.isShown = ! this.isShown;
}

/* Template */
<div *ngIf="isShown" class="row container-fluid" id="divshow">
  content
</div>

Example 3: in angular click button hide div and show div

<div *ngIf="div1">
    ABC
</div>
<div *ngIf="div2">
    DEF
</div>
<div *ngIf="div3">
    GHI
</div>
<button (click)="div1Function()"></button>
<button (click)="div2Function()"></button>
<button (click)="div3Function()"></button>


in .ts file 


 div1:boolean=true;
    div2:boolean=true;
    div3:boolean=true;

    div1Function(){
        this.div1=true;
        this.div2=false;
        this.div3=false
    }

    div2Function(){
        this.div2=true;
        this.div1=false;
        this.div3=false
    }

    div3Function(){
        this.div3=true;
        this.div2=false;
        this.div1=false
    }