diff --git a/server/core.php b/server/core.php
index 77fb7fa..0efd0dc 100644
--- a/server/core.php
+++ b/server/core.php
@@ -193,7 +193,7 @@ class tools
         header("data: ".$response_data);
         header("Content-type: application/json");
         if(!is_null($debugbar)) $debugbar->sendDataInHeaders(true);
-        if(isset($_GET["old_data"]) && $_GET["old_data"] !== $response_data){
+        if(isset($_GET["oldData"]) && $_GET["oldData"] !== $response_data){
           print($json_response);
         } else {
           print("{}");
diff --git a/server/resources/src/games/ld46/game.js b/server/resources/src/games/ld46/game.js
index 8a7ccf4..78aa95a 100644
--- a/server/resources/src/games/ld46/game.js
+++ b/server/resources/src/games/ld46/game.js
@@ -1,11 +1,11 @@
 import {default as createUnityInstance} from './ld46.loader.js';
 
 import build_size_data from './ld46.data.gz';
-import build_size_framework from './ld46.framework.js.gz';
+import buildSizeFramework from './ld46.framework.js.gz';
 import build_size_wasm from './ld46.wasm.gz';
 
 console.log("data "+build_size_data);
-console.log("framework "+build_size_framework);
+console.log("framework "+buildSizeFramework);
 console.log("wasm "+build_size_wasm);
 
 export default class {
diff --git a/server/resources/src/main.js b/server/resources/src/main.js
index cd0190b..709e03b 100644
--- a/server/resources/src/main.js
+++ b/server/resources/src/main.js
@@ -62,12 +62,12 @@ $(document).on("pjax:start", function () {
   if (document.getElementById("topNavBar") !== undefined) {
     document.getElementById("topNavBar").className = "topnav";
   }
-  old_data = "null";
+  oldData = "null";
   fillTable = undefined;
-  table_engine = "datatables";
-  if (window.loadTable_interval !== undefined) {
-    clearInterval(window.loadTable_interval);
-    window.loadTable_interval = undefined;
+  tableEngine = "datatables";
+  if (window.loadTableInterval !== undefined) {
+    clearInterval(window.loadTableInterval);
+    window.loadTableInterval = undefined;
   }
 });
 
@@ -145,19 +145,19 @@ $(document).ready(function () {
 });
 
 const offline = false;
-const loadTable_interval = undefined;
-var old_data = "null";
-var table_engine = "datatables";
+const loadTableInterval = undefined;
+var oldData = "null";
+var tableEngine = "datatables";
 var fillTable = undefined;
 
-async function loadTable ({ table_page, set_interval = true, interval = 10000, onlineReload = false, use_custom_table_engine = false, callback = false }) {
+async function loadTable ({ tablePage, set_interval = true, interval = 10000, onlineReload = false, use_custom_tableEngine = false, callback = false }) {
   if (typeof fillTable === "undefined") {
-    if (use_custom_table_engine !== false) {
-      table_engine = use_custom_table_engine;
+    if (use_custom_tableEngine !== false) {
+      tableEngine = use_custom_tableEngine;
     } else if ("connection" in navigator && navigator.connection.saveData) {
-      table_engine = "default";
+      tableEngine = "default";
     }
-    fillTable = await import(`./table_engine_${table_engine}.js`)
+    fillTable = await import(`./tableEngine_${tableEngine}.js`)
       .then(({ default: _ }) => {
         return _;
       });
@@ -172,19 +172,19 @@ async function loadTable ({ table_page, set_interval = true, interval = 10000, o
   if ("deviceMemory" in navigator && navigator.deviceMemory < 0.2) {
     return;
   }
-  const replaceLatLngWithMap = table_page === "services" || table_page === "trainings";
+  const replaceLatLngWithMap = tablePage === "services" || tablePage === "trainings";
   $.getJSON({
-    url: "resources/ajax/ajax_" + table_page + ".php",
-    data: { old_data: old_data },
+    url: "resources/ajax/ajax_" + tablePage + ".php",
+    data: { oldData: oldData },
     success: function (data, status, xhr) {
-      old_data = xhr.getResponseHeader("data"); // TODO: refactoring and adding comments
+      oldData = xhr.getResponseHeader("data"); // TODO: refactoring and adding comments
       console.log(data);
       if (data.length > 0) {
         fillTable({ data, replaceLatLngWithMap, callback });
         const headers = new Headers();
         headers.append("date", Date.now());
         caches.open("tables-1").then((cache) => {
-          cache.put("/table_" + table_page + ".json", new Response(xhr.responseText, { headers: headers }));
+          cache.put("/table_" + tablePage + ".json", new Response(xhr.responseText, { headers: headers }));
         });
       }
       if (window.offline) { // if xhr request successful, client is online
@@ -200,11 +200,11 @@ async function loadTable ({ table_page, set_interval = true, interval = 10000, o
   }).fail(function (data, status) {
     if (status === "parsererror") {
       if ($("#table_body").children().length === 0) { // this is a server-side authentication error on some cheap hosting providers
-        loadTable(table_page, set_interval, interval); // retry
+        loadTable(tablePage, set_interval, interval); // retry
       } // else nothing
     } else {
       caches.open("tables-1").then(cache => {
-        cache.match("/table_" + table_page + ".json").then(response => {
+        cache.match("/table_" + tablePage + ".json").then(response => {
           response.json().then(data => {
             fillTable({ data, replaceLatLngWithMap, callback });
             console.log("Table loaded from cache");
@@ -223,8 +223,8 @@ async function loadTable ({ table_page, set_interval = true, interval = 10000, o
       interval += 5000;
     }
     console.log("table_load interval " + interval);
-    window.loadTable_interval = setInterval(function () {
-      window.loadTable({ table_page, set_interval: false, interval, onlineReload, use_custom_table_engine, callback: false });
+    window.loadTableInterval = setInterval(function () {
+      window.loadTable({ tablePage, set_interval: false, interval, onlineReload, use_custom_tableEngine, callback: false });
     }, interval);
   }
 }
@@ -245,7 +245,7 @@ function menu () {
   }
 }
 
-window.loadTable_interval = loadTable_interval;
+window.loadTableInterval = loadTableInterval;
 window.loadTable = loadTable;
 window.setCookie = setCookie;
 window.getCookie = getCookie;
diff --git a/server/resources/src/maps.js b/server/resources/src/maps.js
index dc48641..eacc066 100644
--- a/server/resources/src/maps.js
+++ b/server/resources/src/maps.js
@@ -103,15 +103,15 @@ function load_map (lat = undefined, lng = undefined, selector_id = undefined, se
 }
 
 // from unknown source in the Internet
-function chooseAddr (addr_lat, addr_lng, zoom = undefined, lat1 = undefined, lng1 = undefined, lat2 = undefined, lng2 = undefined, osm_type = undefined) {
-  addr_lat = addr_lat.replace(",", ".");
-  addr_lng = addr_lng.replace(",", ".");
+function chooseAddr (addrLat, addrLng, zoom = undefined, lat1 = undefined, lng1 = undefined, lat2 = undefined, lng2 = undefined, osm_type = undefined) {
+  addrLat = addrLat.replace(",", ".");
+  addrLng = addrLng.replace(",", ".");
   if (lat1 !== undefined && lng1 !== undefined && lat2 !== undefined && lng2 !== undefined && osm_type !== undefined) {
     const loc1 = new L.LatLng(lat1, lng1);
     const loc2 = new L.LatLng(lat2, lng2);
     const bounds = new L.LatLngBounds(loc1, loc2);
     console.log(lat1, lng1, lat2, lng2, osm_type);
-    set_marker(new L.LatLng(addr_lat, addr_lng));
+    set_marker(new L.LatLng(addrLat, addrLng));
     if (feature) {
       map.removeLayer(feature);
     }
@@ -124,8 +124,8 @@ function chooseAddr (addr_lat, addr_lng, zoom = undefined, lat1 = undefined, lng
       feature = L.polyline([loc1, loc4, loc2, loc3, loc1], { color: "red" }).addTo(map);
       map.fitBounds(bounds);
     }
-  } else if (addr_lat !== undefined && addr_lng !== undefined) {
-    const loc = new L.LatLng(addr_lat, addr_lng);
+  } else if (addrLat !== undefined && addrLng !== undefined) {
+    const loc = new L.LatLng(addrLat, addrLng);
     console.log(loc);
     set_marker(loc);
     if (zoom !== undefined) {
diff --git a/server/resources/webpack.prod.js b/server/resources/webpack.prod.js
index 12954ca..b24e183 100644
--- a/server/resources/webpack.prod.js
+++ b/server/resources/webpack.prod.js
@@ -44,11 +44,11 @@ const removeSourceMapUrlAfterBuild = () => {
   });
 }
 
-var config_file = require("./config.json");
-const sentry_enabled = config_file.sentry_enabled &&
-                       config_file.sentry_auth_token &&
-                       config_file.sentry_organization &&
-                       config_file.sentry_project;
+var configFile = require("./config.json");
+const sentry_enabled = configFile.sentry_enabled &&
+                       configFile.sentry_auth_token &&
+                       configFile.sentry_organization &&
+                       configFile.sentry_project;
 
 var prod_config = {
   mode: "production",
@@ -84,10 +84,10 @@ module.exports = (env) => {
   //run webpack build with "--env sentry_environment=custom-sentry-env" to replace Sentry environment
   if(env.sentry_environment){
     console.log(colors.green("INFO using custom sentry_environment "+env.sentry_environment));
-    config_file.sentry_environment = env.sentry_environment;
+    configFile.sentry_environment = env.sentry_environment;
   }
-  if(!config_file.sentry_environment){
-    config_file.sentry_environment = "prod";
+  if(!configFile.sentry_environment){
+    configFile.sentry_environment = "prod";
   }
 
   if(sentry_enabled){
@@ -97,9 +97,9 @@ module.exports = (env) => {
       }),
 
       new SentryWebpackPlugin({
-        authToken: config_file.sentry_auth_token,
-        org: config_file.sentry_organization,
-        project: config_file.sentry_project,
+        authToken: configFile.sentry_auth_token,
+        org: configFile.sentry_organization,
+        project: configFile.sentry_project,
         urlPrefix: "~/dist",
         include: "./dist",
         setCommits: {
@@ -123,7 +123,7 @@ module.exports = (env) => {
       GIT_AUTHOR_DATE: git("log -1 --format=%aI"),
       BUNDLE_DATE: Date.now(),
       BUNDLE_MODE: "production",
-      config: config_file
+      config: configFile
     })
   );
   return merge(common, prod_config);
diff --git a/server/templates/list.html b/server/templates/list.html
index 9487381..130a5d3 100644
--- a/server/templates/list.html
+++ b/server/templates/list.html
@@ -67,8 +67,8 @@
       },
       success: function (data) {
         toastr.success(`{{ 'Thanks, %s, you have given %s in case of alert.'|t|format(user.name, '${generate_alert_string(id)}') }}`);
-        clearInterval(window.loadTable_interval); //stop reloading
-        loadTable({table_page: "list", use_custom_table_engine: "default"});
+        clearInterval(window.loadTableInterval); //stop reloading
+        loadTable({tablePage: "list", use_custom_tableEngine: "default"});
       }
     });
   }
@@ -84,8 +84,8 @@
       },
       success: function (data) {
         toastr.success(`{{ 'Thanks, %s, you have removed %s in case of alert.'|t|format(user.name, '${generate_alert_string(id)}') }}`);
-        clearInterval(window.loadTable_interval); //stop reloading
-        loadTable({table_page: "list", use_custom_table_engine: "default"});
+        clearInterval(window.loadTableInterval); //stop reloading
+        loadTable({tablePage: "list", use_custom_tableEngine: "default"});
       }
     });
   }
@@ -114,7 +114,7 @@
     </tbody>
   </table>
   <script>
-    loadTable({table_page: "list", use_custom_table_engine: "default"});
+    loadTable({tablePage: "list", use_custom_tableEngine: "default"});
   </script>
 </div>
 
diff --git a/server/templates/log.html b/server/templates/log.html
index e032a2f..517b666 100644
--- a/server/templates/log.html
+++ b/server/templates/log.html
@@ -19,7 +19,7 @@
     </tbody>
   </table>
   <script>
-    loadTable({table_page: "log", set_interval: false, callback: function(table_dt) {
+    loadTable({tablePage: "log", set_interval: false, callback: function(table_dt) {
       table_dt
         .column( '3:visible' )
         .order( 'desc' )
diff --git a/server/templates/services.html b/server/templates/services.html
index 4a880e2..58cd45e 100644
--- a/server/templates/services.html
+++ b/server/templates/services.html
@@ -36,7 +36,7 @@
     </tbody>
   </table>
   <script>
-    loadTable({table_page: "services", interval: 120000});
+    loadTable({tablePage: "services", interval: 120000});
   </script>
 </div>
 <br>
diff --git a/server/templates/trainings.html b/server/templates/trainings.html
index b31ad1c..af31b59 100644
--- a/server/templates/trainings.html
+++ b/server/templates/trainings.html
@@ -34,7 +34,7 @@
     </tbody>
   </table>
   <script>
-    loadTable({table_page: "trainings", interval: 120000});
+    loadTable({tablePage: "trainings", interval: 120000});
   </script>
 </div>
 <br>