Wait cursor over entire html page

Question

Is it possible to set the cursor to \'wait\' on the entire html page in a simple way? The idea is to show the user that something is going on while an ajax call is being com

Answer 1

Here is a more elaborate solution that does not require external CSS:

function changeCursor(elem, cursor, decendents) {
    if (!elem) elem=$('body');

    // remove all classes starting with changeCursor-
    elem.removeClass (function (index, css) {
        return (css.match (/(^|\s)changeCursor-\S+/g) || []).join(' ');
    });

    if (!cursor) return;

    if (typeof decendents==='undefined' || decendents===null) decendents=true;

    let cname;

    if (decendents) {
        cname='changeCursor-Dec-'+cursor;
        if ($('style:contains("'+cname+'")').length < 1) $('