refresh page in javascript timer code example

Example 1: how to refresh a web page automatically in javascript

<html>
   <head>
      
      <script type = "text/JavaScript">
         <!--
            function AutoRefresh( t ) {
               setTimeout("location.reload(true);", t);
            }
         //-->
      </script>
      
   </head>
   
   <body onload = "JavaScript:AutoRefresh(5000);">
      <p>This page will refresh every 5 seconds.</p>
   </body>
   
</html>

Example 2: js timer reload page

//BY JS
setTimeout(function() {
  location.reload();
}, 30000);
//NOTE: YOU COULD DO IT BY HTML5 LIKE THIS:
<meta http-equiv="refresh" content="30"/>