angular ngif example
Example 1: ng if else
<div *ngIf="condition; else elseBlock">Content to render when condition is true.</div>
<ng-template #elseBlock>Content to render when condition is false.</ng-template>
Example 2: ngif
<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 disapears