JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.4.1.slim.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.css">
<div class="container">
  <ul class="navbar-nav">
    <li class="nav-item dropdown">
        <a data-toggle="dropdown" class="navbar-brand" id="mainMenuButton">
            <span class="main-menu-label"><i class="fa fa-fw mr-2 fa-reorder"></i> Main Menu</span>
        </a>
        <div class="dropdown-menu" id="mainMenu">
            <a class="dropdown-item" target="_blank" href="https://www.google.com">Google</a>
        </div>
      </li>
  </ul>
  
  <br/><br/>
  
  <button type="button" onclick="event.stopPropagation(); breakMainMenu()">Click to break links in the main menu</button>  
  <br/><br/>
  
  <div class="dropdown">
    <button type="button" data-toggle="dropdown" id="buttonMenu">Links in my dropdown menu still work</button>
    <div class="dropdown-menu dropdown-menu-right shadow">   
      <a class="dropdown-item" href="https://www.google.com">Google</a>
    </div>
  </div>
</div>

CSS

.row {
  background: #f8f9fa;
  margin-top: 20px;
}

.col {
  border: solid 1px #6c757d;
  padding: 10px;
}

JavaScript

function breakMainMenu() {
  $('#mainMenu').dropdown('toggle');
  setTimeout(function() { 
    console.log('Calling toggle again does not close the menu :(');
    $('#mainMenu').dropdown('toggle');
  }, 5000);
}