<div *ngIf="condition; else elseBlock">
<button class="xx" *ngIf="flag" (click)="doFunct()">Next</button>
--While (t/f boolean variable called "flag") is true
This button will be visible + click button executes function
Once this "flag" becomes false this button disapearscontent_copy
<div *ngIf="condition">Content to render when condition is true.</div>
<ul>
<li *ngFor =#customer of customers>
{{customer.name}}
</li>
</ul>
<div *ngIf=”vm.isVIP”>
<h3> VIP Customer </h3>
</div>
content_copy
<ng-template [ngIf]="condition"><div>Content to render when condition is
true.</div></ng-template>
<ul>
<li *ngFor =#customer of customers>
{{customer.name}}
</li>
<div *ngIf=”vm.isVIP”>
<h3> VIP Customer </h3>
</div>
<ul>
<h3> VIP Customer </h3>
</div>
content_copy
<div *ngIf="condition as value; else elseBlock">{{value}}</div>
<ng-template #elseBlock>Content to render when value is null.</ng-template>