<h2>Hello World: ngIf!</h2>
<button (click)="onEditClick()">Make text editable!</button>
<div *ngIf="canEdit; else noEdit">
    <p>You can edit the following paragraph.</p>
</div>
<ng-template #noEdit>
    <p>The following paragraph is read only. Try clicking the button!</p>
</ng-template>
<p [contentEditable]="canEdit">{{ message }}</p>
