Refactor code

Remove parseInt(.., 10)
Move $.post(..., 'json') to $.postJSON

media/js/profile.js

@@ -43,24 +43,15 @@ $(function () {
 
 
     function closeSession() {
-        $.ajax({
-            type: "POST",
-            url: URLdir + "handler/Session/closeSession",
-            success: function (data) {
-                $('.popup_overlay').css('display', 'block');
-                jLogin.focus();
-            }
-        });
+        $.post(URLdir + 'handler/Session/closeSession')
+            .done(_ => { $('.popup_overlay').show(); jLogin.focus() });
     }
 
     function setSessionTimer(time) {
         let updateTime = () =>
-            $.post(URLdir + 'handler/Session/getSessionTime', {})
-                .done(function (data) {
-                    let wait = parseInt(data, 10);
-                    wait <= 10 ? closeSession() : setSessionTimer(wait - 10);
-                }, 'json');
-        
+            $.postJSON(URLdir + 'handler/Session/getSessionTime', {})
+                .done(wait => (wait <= 10) ? closeSession() : setSessionTimer(wait - 10));
+
         setTimeout(updateTime, 1000 * time);
     }