Script to expand through table and nested table.

expander.js

function resetSeller(box, oldbox) {
    var iconClassName = '.expander.class.name';
    if (box === null) {
        box = oldbox.parentElement;
        console.log(box);
    }
    var expander = box.querySelector(iconClassName);
    if (expander) {
        expander.click();
        setTimeout(() => {
            function findTableRow(finderNode) {
                if (finderNode.constructor === HTMLTableRowElement) {
                    return finderNode.nextElementSibling;
                }
                return findTableRow(finderNode.parentElement); // find the table row next to expander
            }
            var newBox = findTableRow(expander);
            resetSeller(newBox);
        }, 3000); // delay for any API call 
    } else {
        resetSeller(box.nextElementSibling, box);
    }
}


resetSeller(document); // start with document itself