Bootstrap 4.0 “Modal” not working with Angular 4

Question

Having trouble getting a Bootstrap 4.0 modal to work within an Angular 4 project.

The modal works great inside a simple static HTML page: https://jsfiddle.net/Lq73nf

Answer 1

Can you try adding TetherJS after jQuery while importing the bootstrap cdn

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>

Answer 2

You can use ngx-bootstrap library to do this. After installing the library, follow these steps.

Step1: add the following code to app.module.ts file.

import { ModalModule, BsModalRef } from 'ngx-bootstrap';

@NgModule({
 imports: [ModalModule.forRoot(),...],
 providers: [BsModalRef]
})

Step2: copy the following code and paste to app.commponent.html.

    <button type="button" class="btn btn-primary" (click)="openModal(template)">Create template modal</button>

<ng-template #template>
    <div class="modal-header">
        <h4 class="modal-title pull-left">Modal</h4>
        <button type="button" class="close pull-right" aria-label="Close" (click)="modalRef.hide()">
            <span aria-hidden="true">&times;</span>
        </button>
    </div>
    <div class="modal-body">
        This is a modal.
    </div>
</ng-template>

Step3: and finally the following code copy to app.component.ts.

import { Component, TemplateRef } from '@angular/core';
import { BsModalService } from 'ngx-bootstrap/modal';
import { BsModalRef } from 'ngx-bootstrap/modal/bs-modal-ref.service';

export class AppComponent {
    modalRef: BsModalRef;
    constructor(private modalService: BsModalService) {}

    openModal(template: TemplateRef<any>) {
        this.modalRef = this.modalService.show(template,{ backdrop: 'static', keyboard: false });
    }
}