angular *ngif or code example
Example 1: ngif else
<ng-container
*ngIf="isLoggedIn; then loggedIn; else loggedOut">
</ng-container>
<ng-template #loggedIn>
<div>
Welcome back, friend.
</div>
</ng-template>
<ng-template #loggedOut>
<div>
Please friend, login.
</div>
</ng-template>
Example 2: ng if
<ng-template [ngIf]="heroes" [ngIfElse]="loading">
<div class="hero-list">
...
</div>
</ng-template>
<ng-template #loading>
<div>Loading...</div>
</ng-template>