var interval_id = window.setInterval(function() {
document.getElementById(‘query_ticket‘).click();
var allOrderBtn = document.querySelectorAll(‘td[width="80"]‘);
for (var i = 0, length = allOrderBtn.length; i < length; i++) {
if (allOrderBtn[i].firstChild && allOrderBtn[i].firstChild.nodeType == 1) {
window.clearInterval(interval_id);
allOrderBtn[i].firstChild.click();
}
}
}, 2000);
