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Angular ngx bootstrap Dropdowns Component

  • Last Updated : 02 Sep, 2021

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 see how to use Dropdowns 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 Dropdowns component in module.ts
  • In app.component.html, make a Dropdowns 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




<div class="btn-group" dropdown>
    <button id="button-basic" 
        dropdownToggle type="button" 
        class="btn btn-success dropdown-toggle"
        aria-controls="dropdown-basic"
        Dropdown 1 
    </button>
      
    <ul id="dropdown-basic" 
        *dropdownMenu class="dropdown-menu" 
        role="menu" aria-labelledby="button-basic">
        <li role="menuitem">
            <a class="dropdown-item">gfg</a>
        </li>
        <li role="menuitem">
            <a class="dropdown-item">geeks</a>
        </li>
        <li role="menuitem">
            <a class="dropdown-item">GeeksforGeeks</a>
        </li>
    </ul>
</div>
  
<div class="btn-group" dropdown>
    <button id="button-basic" 
        dropdownToggle type="button" 
        class="btn btn-danger dropdown-toggle"
        aria-controls="dropdown-basic">
        Dropdown 2
    </button>
      
    <ul id="dropdown-basic" 
        *dropdownMenu class="dropdown-menu" 
        role="menu" aria-labelledby="button-basic">
        <li role="menuitem">
            <a class="dropdown-item">gfg1</a>
        </li>
        <li role="menuitem">
            <a class="dropdown-item">geeks1</a>
        </li>
        <li role="menuitem">
            <a class="dropdown-item">GeeksforGeeks1</a>
        </li>
    </ul>
</div>

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

Output:

Reference: https://valor-software.com/ngx-bootstrap/dropdowns




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