title: HTML - Alert Box when loading page
body: <p>i'm using HTML code and i wan't to show un Alert Message or alert box, i don't know what it is called, but a message with a "OK" button.</p>
  
  <p>i want to show this alert when the page is loaded.</p>
  
  <p>How do i do this?</p>
  
  <p>And how to do this with a title in the Alert box?</p>
  
  <p>Do I need JavaScript? if no, How to do this without javascript?</p>
  
  <p>Jonathan</p>