jQuery keyup() illegal characters

Question

I have a field and want to prevent some illegal characters while showing the user as he types. How can I do this in follow example?

  $(\'input\').bind(\"change          


        

Answer 1

Give this a try. No array, though.

    $('input').bind("change keyup", function() {
        var $th = $(this);
        $th.val( $th.val().replace(/["<>&]/g, function(str) {  return ''; } ) );
    });