[jQuery] encode data in AJAX post?

[jQuery] encode data in AJAX post?


Do i need to encode my data send through AJAX post?
Ex.
var name = $("input#name").val();
var dataString = 'name='+ name;
///////////////////////////////////////////////
$.ajax({
         type: "POST",
         url: "mail.ajax.php",
         data: dataString,
         dataType: "html"
});
///////////////////////////////////////////////
How can I do an URLecode?
thanks!