BrumGB

<?php

/**
 * Remove Ninja Forms' 'Add Form' button from TinyMCE
 */
add_action( 'wp_loaded', function() {
    if( ! class_exists( 'Ninja_Forms' ) ) {
        return;
    }
    $inst = \Ninja_Forms::instance()->add_form_modal;

BrumGB

// Requires plugin -> https://github.com/jsmreese/moment-duration-format

/**
* Format date string "dd/mm/yyyy" as QlikDate value
*/
function formatAsQlikDate(dateString) {
    var startDate = moment('1899-12-30'); // excel start date
    var selectedDate = moment(dateString);

    // get time difference in seconds