Angular check ngIf Array is Empty/isset/Null

Today, We want to share with you Angular check ngIf Array is Empty/isset/Null.In this post we will show you Checking for undefined, null, and empty variables in Angularjs, hear for angularjs check if array is empty in controller we will give you demo and example for implement.In this post, we will learn about AngularJS isDefined() Function to Check if a Value or Reference is Defined inside AngularJS $scope with an example.

Angular check ngIf Array is Empty/isset/Null

There are the Following The simple About angular 6 check if array is empty Full Information With Example and source code.

Read Also:  Check if row exists using Laravel

As I will cover this Post with live Working example to develop angular2 ngif array contains, so the angular check if variable exists is used for this example is following below.

Example : 1) Angular Check ngIf Null or Not

src/app/app.component.ts

import { Component } from '@angular/core';

@Component({
selector: 'modi-application',
templateUrl: './app.component.html',
styleUrls: [ './app.component.css' ]
})
export class AppComponent {
name = 'Angular';

hospitalList = null;
}

src/app/app.component.html
<h1>angular ngif check null example - Pakainfo.com</h1>
<div>

hospitalList is not null.

</div>
<div>

hospitalList is null.

</div>

Example : 2) Angular Check ngIf String is Empty or Not

src/app/app.component.ts

import { Component } from '@angular/core';

@Component({
selector: 'modi-application',
templateUrl: './app.component.html',
styleUrls: [ './app.component.css' ]
})
export class AppComponent {
name = 'Angular';

hospitalList = "";
}

src/app/app.component.html

<h1>angular ngif check empty example - Pakainfo.com</h1>
<div>

hospitalList is not empty.

</div>
<div>

hospitalList is empty.

</div>

Example : 3) Angular Check ngIf Array is Empty or Not

src/app/app.component.ts

import { Component } from '@angular/core';

@Component({
selector: 'modi-application',
templateUrl: './app.component.html',
styleUrls: [ './app.component.css' ]
})
export class AppComponent {
name = 'Angular';

hospitalList = [];
}

src/app/app.component.html

<h1>angular ngif check array empty example - Pakainfo.com</h1>
<div>

hospitalList Array is not empty.

</div>
<div>

hospitalList Array is empty.

</div>

Web Programming Tutorials Example with Demo

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