jquery in moodle.html

<!-- jQuery in Moodle v.3.1 - Copyright (C) 2021, TRMSC - https://trmsc1.wordpress.com/ -->
<!-- GNU General Public Licence 3.0 - http://www.gnu.de/documents/gpl-3.0.en.html -->
<!-- Thanks to Norman Seeliger (Twitter: @nseelinger1) for great help! -->

<script>
    window.addEventListener( 'load', function( event ) {
        let jquery_load_check_interval = setInterval( function() {
            if ( window.jQuery ) {
                console.log( 'jQuery in Moodle: jQuery v.' + $.fn.jquery + ' loaded' );
                console.log( 'jQuery in Moodle: v.3.1' );
                functionname(); /* NAME OF YOUR FUNCTION INSTEAD OF 'FUNCTIONSNAME' (SAME AS BELOW!) */
                clearInterval( jquery_load_check_interval );
            } else {
                console.log( 'jQuery in Moodle: new try to load jquery...' );
            }
        }, 150);

        function functionname() { /* NAME OF YOUR FUNCTION INSTEAD OF 'FUNCTIONSNAME' (SAME AS ABOVE!) */
            console.log( 'jQuery in Moodle: function started' );
            
            /* HERE YOU CAN CODE JQUERY */
            
        }
    }, false );
</script>