$( some_item ).attr( "id", "some-id" );
// for setting multiple attributes, it's similar to the css() property. However, quotes are not always required for attr()
$( some_item ).attr({
id: "some-id",
// or others.
title: "Opens in a new window",
// attributes which contain dash(-), should be covered in quotes.
"data-value": "internal link"
});
//Set
$('#someid').attr('name', 'value');
//Get
$('#someid').attr('name');
$( "#greatphoto" ).attr( "title", "Photo by Kelly Clark" );