// csrf_token is retrieved from server-side template document.getElementById('new_link_button').addEventListener('click', function () { new_link(csrf_token); }); function new_link(csrf) { document.getElementById("csrf_token").value = csrf; document.getElementById('new_link').submit(); document.getElementById('new_link_button').classList.add("hidden"); document.getElementById('loading_ring').classList.remove("hidden"); }