Fix variables, files term

public/js/mykad-reader.js

@@ -1,5 +1,5 @@
 
-let button_check_mykad = document.getElementById("button_check_mykad");
+let button_read_mykad = document.getElementById("button_read_mykad");
 
 let getMyKadDetail = () => {
     return fetch(mykad_reader_endpoint).then((response) => response.json());
@@ -95,4 +95,4 @@ let populateDaftarPelangganModal = (data) => {
     $('#daftar_pelanggan').modal('show');
 };
 
-button_check_mykad.addEventListener("click", handleMyKadReader);
+button_read_mykad.addEventListener("click", handleMyKadReader);