fix error.ts gets alwaysExecuted

public/404.php

@@ -56,5 +56,8 @@ if (strpos($_SERVER['HTTP_HOST'], '.onion') !== false) {
     ];
 </script>
 <script src="/js/script.js"></script>
+<script>
+    startNewTask();
+</script>
 </body>
 </html>
\ No newline at end of file

public/internal/500.php

@@ -59,6 +59,9 @@ function getError500()
              ];
             </script>
             <script src="/js/script.js"></script>
+            <script>
+                startNewTask();
+            </script>
        </body>
     </html>
 EOF;

ts/error.ts

@@ -2,14 +2,14 @@ import Timeout = NodeJS.Timeout;
 
 let intervalTime = 150;
 
-let terminal:HTMLElement = <HTMLElement> document.getElementsByClassName("terminal")[0];
-let historyContainer:HTMLElement = <HTMLElement> terminal.getElementsByClassName("history")[0];
-let promptContainer:HTMLElement = <HTMLElement> terminal.getElementsByClassName("prompt")[0];
-
 let dataIndex = 0;
 let stringPosition = 0;
 let printTask: Timeout;
 
+let terminal:HTMLElement;
+let historyContainer:HTMLElement;
+let promptContainer:HTMLElement;
+
 function writeOut() {
 
    // @ts-ignore
@@ -33,7 +33,9 @@ function writeOut() {
 }
 
 function startNewTask() {
+
+   terminal = <HTMLElement> document.getElementsByClassName("terminal")[0];
+   historyContainer = <HTMLElement> terminal.getElementsByClassName("history")[0];
+   promptContainer = <HTMLElement> terminal.getElementsByClassName("prompt")[0];
    printTask = setInterval(writeOut, intervalTime);
 }
\ No newline at end of file
-
-startNewTask();
\ No newline at end of file