const postData = [];
const form = document.createElement('form');
const btn = document.createElement('button');
btn.type = "submit"
form.method = 'POST';
form.action = 'pdftechT.php';
form.style.display = 'none';
for (const key in postData) {
if (postData.hasOwnProperty(key)) {
const input = document.createElement('input');
input.type = 'hidden';
input.name = key;
input.value = postData[key];
form.appendChild(input);
}
}
form.appendChild(btn)
document.body.appendChild(form);
$(btn).click();
form.remove();