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Angular ngx Bootstrap Alerts Component

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  • Last Updated : 02 Sep, 2021
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Angular ngx bootstrap is a bootstrap framework used with angular to create components with great styling and this framework is very easy to use and is used to make responsive websites.

In this article, we will know how to use alert in angular ngx bootstrap. The Alerts is used to provide contextual feedback messages for typical user actions with the handful of available.

Installation syntax:

npm install ngx-bootstrap --save 

Approach:

  • First, install the angular ngx bootstrap using the above-mentioned command.
  •  

  • Add the following script in index.html

    <link href=”https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css” rel=”stylesheet”>

  • Import alert component in module.ts
  • In app.component.html make an alert component.
  • Serve the app using ng serve.

Example 1:

index.html




<!doctype html>
<html lang="en">
  
<head>
    <meta charset="utf-8">
    <base href="/">
    <meta name="viewport" content=
        "width=device-width, initial-scale=1">
    <link href=
        rel="stylesheet">
  
    <link rel="icon" type="image/x-icon" 
                    href="favicon.ico">
    <link rel="preconnect" 
        href="https://fonts.gstatic.com">
    <link href=
        rel="stylesheet">
    <link href=
        rel="stylesheet">
</head>
  
<body class="mat-typography">
    <app-root></app-root>
</body>
  
</html>

app.component.html




<alert type="secondary">
    <strong>GeeksForGeeks</strong> Alert no-1
</alert>
<alert type="danger">
    <strong>GeeksForGeeks</strong> Alert no-2
</alert>
<alert type="primary">
    <strong>GeeksForGeeks</strong> Alert no-3
</alert>
<alert type="warning">
    <strong>GeeksForGeeks</strong> Alert no-4
</alert>

app.module.ts




import { NgModule } from '@angular/core';
  
// Importing forms module
import { FormsModule, ReactiveFormsModule }
    from '@angular/forms';
import { BrowserModule }
    from '@angular/platform-browser';
import { BrowserAnimationsModule }
    from '@angular/platform-browser/animations';
import { AlertModule }
    from 'ngx-bootstrap/alert';
  
  
import { AppComponent }
    from './app.component';
  
@NgModule({
    bootstrap: [
        AppComponent
    ],
    declarations: [
        AppComponent
    ],
    imports: [
        FormsModule,
        BrowserModule,
        BrowserAnimationsModule,
        ReactiveFormsModule,
        AlertModule.forRoot()
  
    ]
})
export class AppModule { }

Output:

Reference: https://valor-software.com/ngx-bootstrap/#/alerts


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