Create Enhanced And Customizable Bootstrap 4 Modals With jQuery

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License: MIT
Create Enhanced And Customizable Bootstrap 4 Modals With jQuery

simple-bs-dialog.js is a jQuery plugin that simplifies the creation of Bootstrap 4 modal component and enhances the modal windows with several advanced features.


  • Creates Bootstrap 4 modal windows with a single JS call.
  • Highly customizable appearance of the modal window.
  • Auto adjusts the modal size depending on the modal content.
  • Shows a loading spinner while loading the modal content.
  • Custom action buttons.
  • Useful API methods and event handlers.

How to use it:

1. Download and insert the simple-bs-dialog.js plugin's files into your Bootstrap 4 project.

<!-- Bootstrap 4 Stylesheet -->
<link rel="stylesheet" href="bootstrap.min.css" />
<!-- simple-bs-dialogStylesheet -->
<link href="./dist/css/simple-bs-dialog.min.css" rel="stylesheet" />
<!-- Bootstrap 4 JavaScript -->
<script src="jquery.min.js"></script>
<script src="bootstrap.min.js"></script>
<!-- simple-bs-dialog JavaScript -->
<script src="./dist/js/simple-bs-dialog.min.js"></script>

2. Create a basic Bootstrap 4 modal window.{
  title: 'Modal Title',
  html: 'Modal Content Here'

3. Show a loading spinner before showing the modal content.{
  title: 'Modal Title',
  spinner: true,
  spinnerIcon: '<span class="spinner-border text-primary" role="status"></span>',
  onShown: function(dialogRef) {
    setTimeout(function() {
        'spinner': false,
      }).getModalBody().html('Your content goes here...');
      dialogRef.getButtons().prop('disabled', false);
    }, 1000);

4. Customize the action buttons.{
  buttons: [{
    id: 'btn-ok',
    label: 'OK',
    cssClass: 'btn-primary',
    action: function(dialogRef) {
      console.log('OK button pressed!');
    id: 'btn-cancel',
    label: 'Cancel',
    cssClass: 'btn-warning',
    action: function(dialogRef) {
      console.log('Cancel button pressed!');

5. Full plugin options to customize the Bootstrap 4 modal window.{
  id: newGuid(),
  width: 500,
  autoWidth: false,
  height: 280,
  autoHeight: false,
  title: '',
  closable: true,
  spinner: false,
  spinnerIcon: '<span class="spinner-border" role="status"></span>',
  closeByBackdrop: true,
  closeByKeyboard: true,
  html: '',
  cssClass: '', // extra CSS class(es)
  buttons: [],

6. Available callback functions.{
  onShow: function(dialogRef){},
  onShown: function(dialogRef){},
  onHide: function(dialogRef){},
  onHidden: function(dialogRef){}

7. API methods.

  • open(): Opens the modal. 
  • close(): Closes the modal. 
  • get(option): Getter for options.
  • set(option, value): Setter for a given option.
  • set(options): Setter for many options. 
  • getModalBody(): Returns the raw modal body.
  • getButton(id): Returns a button by id as a jQuery object.
  • getButtons(): Returns all available buttons as jQuery objects.
  • SimpleBsDialog.version: Returns the current SimpleBsDialog's version.;



  • v1.0.1

This awesome jQuery plugin is developed by wraplr. For more Advanced Usages, please check the demo page or visit the official website.