FALKOR,
var basketwidjet = '{"1":{"id":1,"name":"Артикул 2","price":299,"num":1,"url":"http://site/","photo":""},"2":{"id":2,"name":"Артикул 2","price":220,"num":1,"url":"http://site/","photo":""},"3":{"id":3,"name":"Артикул 6","price":179,"num":1,"url":"http://site/","photo":""}}',
order = JSON.parse(basketwidjet),
l = Object.keys(order).length,
n = Object.keys(order).map(function (key) {
return order[key].name
}),
s = Object.keys(order).reduce(function (a,key) {
return a + order[key].price
},0);
alert(l);
alert(n)
alert(s)