Modifying Wrapped elements

$('.list').size() how many elements?
$('.line')[1] or $('.line').get(1) to get element 1.
$('.line').append('<p>Hi there!</p>') to add: HTML, DOM elements, selector, array.
$('li:first').html('goodbye')
Manipulators documentation
$('li').each(function (i) {this.style.color = 'red'})Apply function to each element.
$('li a').attr('href') get attribute values. $('li a').attr('href', 'http://gotapi.com')