calibre-web/cps/static/js/shelforder.js

/* global Sortable,sortTrue */

Sortable.create(sortTrue, {
    group: "sorting",
    sort: true
});

// eslint-disable-next-line no-unused-vars
function sendData(path) {
    var elements;
    var counter;
    var maxElements;
    var tmp = [];

    elements = Sortable.utils.find(sortTrue, "div");
    maxElements = elements.length;

    var form = document.createElement("form");
    form.setAttribute("method", "post");
    form.setAttribute("action", path);

    for (counter = 0;counter < maxElements;counter++) {
        tmp[counter] = elements[counter].getAttribute("id");
        var hiddenField = document.createElement("input");
        hiddenField.setAttribute("type", "hidden");
        hiddenField.setAttribute("name", elements[counter].getAttribute("id"));
        hiddenField.setAttribute("value", String(counter + 1));
        form.appendChild(hiddenField);
    }
    document.body.appendChild(form);
    form.submit();
}