JSFiddle - React, Tailwind, and code Playground

by dallaslu

HTML

<!doctype html>
<html lang="en">

<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, shrink-to-fit=no" />
    <!-- Begin SEO tag -->
    <title>Infinite Multiple Level Dropdown Menu base on Bootstrap</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.4.1/dist/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
    <style>.dropdown-hover-all .dropdown-menu, .dropdown-hover > .dropdown-menu { margin:0 }</style>
</head>

<body class="">
    <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark">
        <div class="collapse navbar-collapse" id="navbarsExampleDefault">
            <ul class="navbar-nav mr-auto">
                <li class="nav-item active">
                    <a class="nav-link" href="#">Demo <span class="sr-only">(current)</span></a>
                </li>
                <li class="nav-item dropdown dropdown-hover">
                    <a class="nav-link dropdown-toggle" href="#" id="dropdown01" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Hover</a>
                    <div class="dropdown-menu" aria-labelledby="dropdown01">
                        <a class="dropdown-item" href="#">Single App</a>
                        <a class="dropdown-item" href="#">Multiple Works</a>
                        <div class="dropdown-divider"></div>
                        <a class="dropdown-item" href="#">Disctribution</a>
                    </div>
                </li>
                <li class="nav-item dropdown">
                    <a class="nav-link dropdown-toggle" href="#" id="dropdown02" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Documents</a>
                    <div class="dropdown-menu" aria-labelledby="dropdown02">
                        <a class="dropdown-item"...

JavaScript

$.fn.dropdown = (function() {
    var $bsDropdown = $.fn.dropdown;
    return function(config) {
        if (typeof config === 'string' && config === 'toggle') { // dropdown toggle trigged
            $('.has-child-dropdown-show').removeClass('has-child-dropdown-show');
            $(this).closest('.dropdown').parents('.dropdown').addClass('has-child-dropdown-show');
        }
        var ret = $bsDropdown.call($(this), config);
        $(this).off('click.bs.dropdown'); // Turn off dropdown.js click event, it will call 'this.toggle()' internal
        return ret;
    }
})();

$(function() {
    $('.dropdown [data-toggle="dropdown"]').on('click', function(e) {
        $(this).dropdown('toggle');
        e.stopPropagation(); // do not fire dropdown.js click event, it will call 'this.toggle()' internal
    });
    $('.dropdown').on('hide.bs.dropdown', function(e) {
        if ($(this).is('.has-child-dropdown-show')) {
        	$(this).removeClass('has-child-dropdown-show');
            e.preventDefault();
        }
        e.stopPropagation();    // do not need pop in multi level mode
    });
});

// for hover
$('.dropdown-hover').on('mouseenter',function() {
  if(!$(this).hasClass('show')){
    $('>[data-toggle="dropdown"]', this).dropdown('toggle');
  }
});
$('.dropdown-hover').on('mouseleave',function() {
  if($(this).hasClass('show')){
    $('>[data-toggle="dropdown"]', this).dropdown('toggle');
  }
});
$('.dropdown-hover-all').on('mouseenter', '.dropdown', function() {
  if(!$(this).hasClass('show')){
    $('>[data-toggle="dropdown"]', this).dropdown('toggle');
  }
});
$('.dropdown-hover-all').on('mouseleave', '.dropdown', function() {
  if($(this).hasClass('show')){
    $('>[data-toggle="dropdown"]', this).dropdown('toggle');
  }
});