Improve the code

JavaScript

// 6: how could you improve the following code?
$(document).ready(function() {
  $('.foo #bar').css('color', 'red');
  $('.foo #bar').css('border', '1px solid blue');
  $('.foo #bar').text('new text!');
  $('.foo #bar').on("click", function() {
    $(this).attr('title', 'new title');
    $(this).width('100px');
  });
});