Getting and setting width and height of an element

Getting and setting outerWidth and outerHeight (including padding and border)

Get width and height (excluding margin):

var width = $('#target-element').outerWidth();
var height = $('#target-element').outerHeight();

Get width and height (including margin):

var width = $('#target-element').outerWidth(true);
var height = $('#target-element').outerHeight(true);

Set width and height:

$('#target-element').outerWidth(50);
$('#target-element').outerHeight(100);

Getting and setting innerWidth and innerHeight (ignoring padding and border)

Get width and height:

var width = $('#target-element').innerWidth();
var height = $('#target-element').innerHeight();

Set width and height:

$('#target-element').innerWidth(50);
$('#target-element').innerHeight(100);

Getting and setting width and height (ignoring border)

Get width and height:

var width = $('#target-element').width();
var height = $('#target-element').height();

Set width and height:

$('#target-element').width(50);
$('#target-element').height(100);