Function inputLabel

static/jQuery-contextMenu/jquery.contextMenu.js:1939–1941

(node)

// find <label for="xyz">
    function inputLabel(node) {
        return (node.id && $('label[for="' + node.id + '"]').val()) || node.name;
    }

// convert <menu> to items object
    function menuChildren(items, $children, counter) {