gistfile1.js

function funct_vcExtension_tabDeepLink_tabIDChanged()
{
    jQuery('.funct_vcExt_deepLink_tabId').text(jQuery('.tab_id_field').val());
}

gistfile2.php

<?php
/**
 * Plugin Name: funct Visual Composer Extensions
 * Plugin URI: http://funct.co
 * Version: 1.0
 * Author: funct GmbH
 * Author URI: http://funct.co
 * Description: Stand-Alone Extensions and tweaks for Visual Composer not provided by other plugins
 *
 * Build: {{buildNumber}}
 * Date: {{buildTimeStamp}}
 * Revision: {{repository.revision.number}}
 * Branch: {{repository.branch.name}}
 */

add_action('init', function () {
    WpbakeryShortcodeParams::addField(
        'vc_tab_deepLink',
        'renderTabDeepLinkFormField',
        plugins_url('/public/js/funct_vc-extensions.min.js', __FILE__)
    );
    WPBMap::addParam(
        'vc_tab',
        array(
            "type" => "vc_tab_deepLink",
            "holder" => "div",
            "class" => "",
            "heading" => "Direct Link to this tab",
            "param_name" => "vc_tour_deepLink",
            "value" => '',
            "description" => 'Use this link to to directly link to this tab',
            'dependency' => array(
                'element' => 'tab_id',
                'callback' => 'funct_vcExtension_tabDeepLink_tabIDChanged',
            )
        )
    );
});

function renderTabDeepLinkFormField()
{
    $permaLink = isset($_POST['post_id'])
        ? get_permalink($_POST['post_id'])
        : false;
    if (false === $permaLink) {
        $permaLink = 'This page has no URL yet. It must be saved first.';
    }
    return '<div class="funct_vcExt_deepLink"><span class="funct_vcExt_deepLink_permaLink">' . $permaLink . '#</span><span class="funct_vcExt_deepLink_tabId"></span></div>';
}