JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://netdna.bootstrapcdn.com/bootstrap/3.0.3/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha/js/bootstrap.min.js"></script>
<li class="men_5l" ><a id = "pop" href="#"><span><img src="images/menu_5_1.PNG" alt=""></span> <p>Mp3</p></a></li>
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myLargeModalLabel"
    aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">
                    &times;</button>
                <h4 class="modal-title" id="myModalLabel">
                    Don't Wait, Login now!</h4>
            </div>
            <div class="modal-body">
                <div class="row">
                    <div class="col-md-8" style="border-right: 1px dotted #C2C2C2;padding-right: 30px;">
                        <!-- Nav tabs -->
                        <ul class="nav nav-tabs">
                            <li class="active"><a href="#Login" data-toggle="tab">Login</a></li>
                            <li><a href="#Registration" data-toggle="tab">Registration</a></li>
                        </ul>
                        <!-- Tab panes -->
                        <div class="tab-content">
                            <div class="tab-pane active" id="Login">
                                <form role="form" class="form-horizontal">
                                <div class="form-group">
                                    <label for="email" class="col-sm-2 control-label">
                                        Email</label>
                                    <div class="col-sm-10">
                                        <input type="email" class="form-control" id="email1"...

JavaScript

$(document).ready(function () {
  $("#pop").click(function () {
    $('#myModal').modal('show'); 
  });
});