How to use bootstrap navbar and dropdown (with angular 7)?

Question

I try this but when i click to Dropdown link nemu, nothing happens.

<nav class="navbar navbar-expand-lg navbar-light bg-light">
    <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item">
                <a class="nav-link" routerLink="dashboard">dashboard</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" routerLink="calendar">calendar</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" routerLink="manager">manager</a>
            </li>
            <li class="nav-item dropdown">
                <a class="nav-link dropdown-toggle" id="navbardrop" data-toggle="dropdown">
                    Dropdown link
                </a>
                <div class="dropdown-menu">
                    <a class="dropdown-item" href="#">Link 1</a>
                    <a class="dropdown-item" href="#">Link 2</a>
                    <a class="dropdown-item" href="#">Link 3</a>
                </div>
            </li>
        </ul>
        <!--ul class="navbar-nav navbar-right">

        </ul-->
    </div>
</nav>

EDIT:

I use https://ng-bootstrap.github.io/#/components/datepicker/overview and navbar do not present.

With ng-bootstrap, you can manage the dropdown menu with the ngbCollapse directive, as shown in this answer. — Martin Parenteau
– Martin Parenteau, Commented Jan 14, 2019 at 16:56

Stéphane GRILLON · Accepted Answer · 2019-01-15 09:06:20Z

6

I found in the ng-bootstrap documentation that navbar did not exist. So I added jQuery and it works.

npm install bootstrap --save
npm install jquery --save

and add this in angular.json (Angular 7):

"scripts": [
    "node_modules/jquery/dist/jquery.js",
    "node_modules/bootstrap/dist/js/bootstrap.js"
]

answered Jan 15, 2019 at 9:06

Stéphane GRILLON

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Comments

Masoud Bimmer · Accepted Answer · 2019-01-14 17:45:19Z

1

probably you shouldn't include bootstrap.min.js in project (jquery and popper.js too).

"styles":[
"styles.css",
"../node_modules/bootstrap/dist/css/bootstrap.css"
],

"scripts":[
"../node_modules/jquery/dist/jquery.js",
"../node_modules/bootstrap/dist/js/popper.js",
"../node_modules/bootstrap/dist/js/bootstrap.js"
],

edited Jan 14, 2019 at 17:45

answered Jan 14, 2019 at 16:54

Masoud Bimmer

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3 Comments

Stéphane GRILLON Over a year ago

sorry, I add "scripts": [ "node_modules/bootstrap/dist/js/bootstrap.js" ] but do not work

Masoud Bimmer Over a year ago

you should add Jquery, bootstrap wrote based on jquery, and for nav it used popper too

Masoud Bimmer Over a year ago

you can see this too, Duplicate Question

Nisharg Shah · Accepted Answer · 2019-01-14 18:54:17Z

if you don't want to add jquery, pooper and bootstrap JS in your project, you can do like that, i added example of navbar and btn-group

explanation

show class is use to show menu of dropdown

when you click on anchor tag, show variable toggle and that contains boolean type ( specified in .ts file ). at time div.dropdown-menu check for show class and if its false it cant be shown or vice versa.

app.component.html

In navbar

<nav class="navbar navbar-expand-lg navbar-light bg-light">
    <a class="navbar-brand" href="#">Navbar</a>
    <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent">
        <span class="navbar-toggler-icon"></span>
    </button>

    <div class="collapse navbar-collapse" id="navbarSupportedContent">
        <ul class="navbar-nav mr-auto">
            <li class="nav-item active">
                <a class="nav-link" href="javascript:void(0)">Home</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="javascript:void(0)">List 1</a>
            </li>
            <li class="nav-item">
                <a class="nav-link" href="javascript:void(0)">List 2</a>
            </li>
        </ul>
        <ul class="navbar-nav">
            <li class="nav-item dropdown ml-auto">
                <a class="nav-link dropdown-toggle" href="#" id="navbarDropdown" data-toggle="dropdown" (click)="show=!show">Dropdown</a>
                <div class="dropdown-menu dropdown-menu-right" aria-labelledby="navbarDropdown" [ngClass]="{show: show === true}">
                    <a class="dropdown-item" href="#">Action</a>
                    <a class="dropdown-item" href="#">Another action</a>
                    <div class="dropdown-divider"></div>
                    <a class="dropdown-item" href="#">Something else here</a>
                </div>
            </li>
        </ul>
    </div>
</nav>

In btn-group

<div class="btn-group">
    <button type="button" class="btn btn-info dropdown-toggle" data-toggle="dropdown" (click)="show=!show">Action</button>
    <div class="dropdown-menu" [ngClass]="{show: show === true}">
        <a class="dropdown-item" href="#">Action</a>
        <a class="dropdown-item" href="#">Another action</a>
    </div>
</div>

app.component.ts

import {Component, EventEmitter, OnInit, Output} from '@angular/core';

@Component({
    selector: 'app-header',
    templateUrl: './header.component.html',
    styleUrls: ['./header.component.css']
})
export class HeaderComponent implements OnInit {
    show: boolean = false;

    constructor() {}

    ngOnInit() {}

}

Cavdy · Accepted Answer · 2019-01-14 21:36:48Z

0

it doesn't work because i think there is an issue with the popper.js, i had same issue but i was able to fix it... Try this in your angular.json

import the scripts

"./node_modules/jquery/dist/jquery.js",
"./node_modules/bootstrap/dist/js/bootstrap.bundle.js"

it should work

answered Jan 14, 2019 at 21:36

Cavdy

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