var btnbuy = '/html/body/div/div[1]/div[3]/div/div/div[2]/div[1]/div/div[1]/button[1]';
var btnsell = '/html/body/div/div[1]/div[3]/div/div/div[2]/div[1]/div/div[1]/button[2]';
var btnorder = '/html/body/div/div[1]/div[3]/div/div/div[2]/div[1]/div/div[2]/div[2]/div/button';

function clickButton(buttonXPath) {
const button = document.evaluate(buttonXPath, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
if (button) {
button.click();
}
}
function rand(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function performClicksBuy() {
clickButton(btnbuy); setTimeout(performClicksBuyOrder, 500);
}
function performClicksBuyOrder() {
const rand_val = rand(1, 2)*1000;
clickButton(btnorder); setTimeout(performClicksSell, rand_val);
}
function performClicksSell() {
clickButton(btnsell); setTimeout(performClicksSellOrder, 500);
}
function performClicksSellOrder() {
const rand_val = rand(1, 2)*1000;
clickButton(btnorder); setTimeout(performClicksBuy, rand_val);
}
performClicksBuy();

맥북 받고 스타벅스 프리패스 드가자!