Angular ngx Bootstrap Typeahead Component

Last Updated : 06 Jan, 2023

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 Typeahead in angular ngx bootstrap.

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 typeahead component in module.ts
In app.component.html make a typeahead component.
Serve the app using ng serve.

Example 1:

index.html

<!doctype html> 
<html lang="en"> 
  
<head> 
    <meta charset="utf-8"> 
    <title>Demo</title> 
    <base href="/"> 
    <meta name="viewport" content= 
        "width=device-width, initial-scale=1"> 
    <link href= 
"https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"
        rel="stylesheet"> 
  
    <link rel="icon" type="image/x-icon" 
        href="favicon.ico"> 
    <link rel="preconnect" 
        href="https://fonts.gstatic.com"> 
    <link href= 
"https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500&display=swap"
        rel="stylesheet"> 
    <link href= 
"https://fonts.googleapis.com/icon?family=Material+Icons"
        rel="stylesheet"> 
</head> 
  
<body class="mat-typography"> 
    <app-root></app-root> 
</body> 
  
</html> 

app.component.html

<pre id='gfg1' class="card  
    card-block card-header mb-3"> 
    Model: {{gfg | json}} 
</pre> 
  
<input [(ngModel)]="gfg"  
    [typeahead]="geeks"  
    class="form-control"> 

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 { TypeaheadModule}  
from 'ngx-bootstrap/typeahead'; 
  
   
import { AppComponent }  
from './app.component'; 
   
@NgModule({ 
  bootstrap: [ 
    AppComponent 
  ], 
  declarations: [ 
    AppComponent 
  ], 
  imports: [ 
    FormsModule, 
    BrowserModule, 
    BrowserAnimationsModule, 
    ReactiveFormsModule, 
    TypeaheadModule.forRoot() 
      
  ] 
}) 
export class AppModule { }

app.component.css

#gfg1 { 
    margin: 10px; 
}

app.component.ts

import { Component, OnInit, LOCALE_ID }  
from '@angular/core'; 
  
@Component({ 
    selector: 'app-root', 
    templateUrl: './app.component.html', 
    styleUrls: ['./app.component.css'] 
}) 
export class AppComponent { 
    'gfg': string; 
    geeks: string[] = [ 
        'HTML', 
        'JavaScript', 
        'Java', 
        'AngularJS', 
        'ReactJS', 
        'Bootstrap'
    ]; 
}