General

Internet Explorer

Internet Explorer converts relative URLs into absolute URLs. Unfortunately there are no reasonable workarounds to this problem.

Internet Explorer 5.5

Selectors

• Simple class selectors like ".myClass" fail in IE 5.5. Workaround: select "div.myClass" instead. This appears to also be the case with ID selectors (e.g. "#some_id" will not work, whereas "div#some_id" will. More Information

Opera 9.27

Events

• The unload event is not fired. It's a limitation of Opera, you can report it here. The example below doesn't work.

$(document).ready(
  function() {
    $(window).unload(function(){ alert("ok") })
  }
)