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Angular ng bootstrap Tooltip Component

  • Last Updated : 19 Jul, 2021

Angular ng 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 Tooltip in angular ng bootstrap.

Tooltip is used to display informative text when users hover over, focus on, or tap an element.

Installation syntax:

ng add @ng-bootstrap/ng-bootstrap

Approach:

  • First, install the angular ng 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 ng bootstrap module in module.ts

    import { NgbModule } from ‘@ng-bootstrap/ng-bootstrap’;

    imports: [
    NgbModule
    ]

  • In app.component.html make a tooltip component.
  • Serve the app using ng serve.

Example 1: In this example, we are making a basic example of the tooltip.

app.component.html




<div id='geeks'>
      
    <br /><br /><br />
  
    <button type="button" 
        class="btn btn-primary" 
        placement="top" 
        ngbTooltip="GeeksforGeeks">
        top
    </button>
    <hr>
  
    <button type="button" 
        class="btn btn-success" 
        placement="right" 
        ngbTooltip="GeeksforGeeks">
        right
    </button>
    <hr>
  
    <button type="button" 
        class="btn btn-warning" 
        placement="bottom" 
        ngbTooltip="GeeksforGeeks">
        bottom
    </button>
  
    <br /><br /><br />
    <hr>
  
    <button id='gfg' type="button" 
        class="btn btn-danger" 
        placement="left" 
        ngbTooltip="GeeksforGeeks">
        left
    </button>
</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 { AppComponent } from './app.component';
import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
  
@NgModule({
    bootstrap: [
        AppComponent
    ],
    declarations: [
        AppComponent
    ],
    imports: [
        FormsModule,
        BrowserModule,
        BrowserAnimationsModule,
        ReactiveFormsModule,
        NgbModule
  
    ]
})
export class AppModule { }

app.component.css




#gfg {
    margin-left:120px
}
#geeks {
    margin-left:40px
}

Output:



Example 2: In this example, we are making a toast with a header.

app.component.html




<div id='geeks'>
    <br /><br /><br />
  
    <button type="button" 
        class="btn btn-primary" 
        [disabled]='true' 
        placement="top" 
        ngbTooltip="GeeksforGeeks">
        top
    </button>
    <hr>
  
    <button type="button" 
        class="btn btn-success" 
        [disabled]='true' 
        placement="right" 
        ngbTooltip="GeeksforGeeks">
        right
    </button>
    <hr>
  
    <button type="button" 
        class="btn btn-warning" 
        [disabled]='true' 
        placement="bottom" 
        ngbTooltip="GeeksforGeeks">
        bottom
    </button>
  
    <br /><br /><br />
    <hr>
  
    <button id='gfg' type="button" 
        class="btn btn-danger" 
        [disabled]='true'
        placement="left" 
        ngbTooltip="GeeksforGeeks">
        left
    </button>
</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 { AppComponent } from './app.component';
import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
  
@NgModule({
    bootstrap: [
        AppComponent
    ],
    declarations: [
        AppComponent
    ],
    imports: [
        FormsModule,
        BrowserModule,
        BrowserAnimationsModule,
        ReactiveFormsModule,
        NgbModule
  
    ]
})
export class AppModule { }

app.component.css




#gfg {
    margin-left:120px
}
#geeks {
    margin-left:40px
}

Output:

Reference: https://ng-bootstrap.github.io/#/components/typeahead/examples




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