<!DOCTYPE html>
<html>
<head>
<script type='text/javascript'
src='http://code.jquery.com/jquery-compat-git.js'></script>
<script type='text/javascript'>
$(function(){
$("span[class^='myTable']").not('#notThis').hide();
});
</script>
</head>
<body>
<span id="notThis" class="myTable"> myTable 1</span>
<span class="myTable2"> myTable 2</span>
<span class="myTable3"> myTable 3</span>
</body>
</html>