EE4 Calendar: Open event links in a new window/tab.

ee-calendar-open.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

function eecal_custom_calendar_open_events_new_tab(){
    wp_add_inline_script( 
        'espresso_calendar',
        'jQuery( document ).ready(function($) {
          $( document ).ajaxComplete(function() {
            $("#espresso_calendar a.fc-event").attr("target", "_blank");
            $( "#espresso_calendar .fc-event" )
            .mouseover(function() {
              $(".reg-now-btn").attr("target", "_blank");
            } )
          } );
        } );'
    );
}
add_action( 'wp_enqueue_scripts', 'eecal_custom_calendar_open_events_new_tab', 11 );