IE8 and JQuery's trim()

Question

I am making use of trim() like so:

if($(\'#group_field\').val().trim()!=\'\'){

Where group_field is an input element of type t

Answer 1

To globally trim input with type text using jQuery:

/**
 * Trim the site input[type=text] fields globally by removing any whitespace from the
 * beginning and end of a string on input .blur()
 */
$('input[type=text]').blur(function(){
    $(this).val($.trim($(this).val()));
});