In this article we will learn about some of the frequently asked HTML programming questions in technical like “ngif” Code Answer’s. When creating scripts and web applications, error handling is an important part. If your code lacks error checking code, your program may look very unprofessional and you may be open to security risks. Error or stack handling on html was simple and easy. An error message with filename, line number and a message describing the error is sent to the browser. This tutorial contains some of the most common error checking methods in HTML. Below are some solution about “ngif” Code Answer’s.
ngif else
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<div *ngIf="isLoggedIn; else loggedOut">
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Welcome back, friend.
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</div>
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<ng-template #loggedOut>
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Please friend, login.
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</ng-template>
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ng if else
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<div *ngIf="condition; else elseBlock">Content to render when condition is true.</div>
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<ng-template #elseBlock>Content to render when condition is false.</ng-template>
ngif
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<div *ngIf="condition">Content to render when condition is true.</div>
ngif
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<div *ngIf="condition; else elseBlock">
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<button class="xx" *ngIf="flag" (click)="doFunct()">Next</button>
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--While (t/f boolean variable called "flag") is true
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This button will be visible + click button executes function
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Once this "flag" becomes false this button disapears
ngif
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@Component({
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selector: 'ng-if-else',
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template: `
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<button (click)="show = !show">{{show ? 'hide' : 'show'}}</button>
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show = {{show}}
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<br>
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<div *ngIf="show; else elseBlock">Text to show</div>
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<ng-template #elseBlock>Alternate text while primary text is hidden</ng-template>
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`
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})
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export class NgIfElse {
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show: boolean = true;
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}
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ngif
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<div *ngIf="condition">Content to render when condition is true.</div>