Задача №3
Ось приклад відповіді з одного з сайтів (масив об'єктів з інформацією про товари). Весь текст масиву, що в кінці документу скопіюєте в код.
- Загальну вартість (нові ціни -
price). - Знайти кількість товарів, у яких ціна зменшилась
price<old_price. - Товари, які доступні
sell_status: "available". - сформувати новий список об'єктів тільки доступних для продажу товарів, які міститимуть тільки ідентифікатор товару
id, нову цінуprice, стару цінуold_price, та ціну у доларахusd_price.
Вміст масиву
let dataList = [
{
id: 344277463,
old_price: 1395,
old_usd_price: '37.70',
price: 1099,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '29.70',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 363766641,
old_price: 0,
old_usd_price: '0.00',
price: 90,
min_month_price: 0,
sell_status: 'unavailable',
status: 'active',
usd_price: '2.43',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 339273715,
old_price: 38,
old_usd_price: '1.03',
price: 25,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '0.68',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 330746665,
old_price: 3087,
old_usd_price: '83.43',
price: 2548,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '68.86',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 344972806,
old_price: 699,
old_usd_price: '18.89',
price: 549,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '14.84',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 318302299,
old_price: 0,
old_usd_price: '0.00',
price: 8500,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '229.73',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 361430565,
old_price: 3500,
old_usd_price: '94.59',
price: 1999,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '54.03',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 14429030,
old_price: 3339,
old_usd_price: '90.24',
price: 2999,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '81.05',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 56340912,
old_price: 2094,
old_usd_price: '56.59',
price: 1776,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '48.00',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 315292225,
old_price: 1799,
old_usd_price: '48.62',
price: 1499,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '40.51',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 28437961,
old_price: 42999,
old_usd_price: '1162.14',
price: 33999,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '918.89',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 339896833,
old_price: 6399,
old_usd_price: '172.95',
price: 5899,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '159.43',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 364354149,
old_price: 1600,
old_usd_price: '43.24',
price: 1500,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '40.54',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: {
id: 106,
discount_price: 1300,
title: 'ціна по промокоду діє з 22.03 по 28.03',
price_show_in_site_id: 5151,
show_in_details: 1,
show_in_catalog: 1,
is_description: 1,
description: 'test',
promo_code: '',
url_for_image: 'https://rozetka.com.ua/ua/promo/allgalaxies/',
images: '',
images_mobile: '',
hide_price: 0,
},
},
{
id: 363184995,
old_price: 0,
old_usd_price: '0.00',
price: 4499,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '121.59',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 98077846,
old_price: 0,
old_usd_price: '0.00',
price: 3113,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '84.14',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 310694668,
old_price: 0,
old_usd_price: '0.00',
price: 3000,
min_month_price: 0,
sell_status: 'unavailable',
status: 'active',
usd_price: '81.08',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 362812029,
old_price: 0,
old_usd_price: '0.00',
price: 21700,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '586.49',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 361422708,
old_price: 4100,
old_usd_price: '110.81',
price: 2699,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '72.95',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 318302257,
old_price: 0,
old_usd_price: '0.00',
price: 8500,
min_month_price: 0,
sell_status: 'unavailable',
status: 'active',
usd_price: '229.73',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 310694498,
old_price: 0,
old_usd_price: '0.00',
price: 2963,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '80.08',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 363651273,
old_price: 5199,
old_usd_price: '140.51',
price: 4890,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '132.16',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 330747022,
old_price: 3087,
old_usd_price: '83.43',
price: 2606,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '70.43',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 362617635,
old_price: 4872,
old_usd_price: '131.68',
price: 2436,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '65.84',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
{
id: 363614439,
old_price: 5199,
old_usd_price: '140.51',
price: 4890,
min_month_price: 0,
sell_status: 'available',
status: 'active',
usd_price: '132.16',
pl_charge_pcs: 0,
pl_use_instant_bonus: false,
pl_premium_bonus_charge_pcs: 0,
rests: -1,
min_price: 0,
max_price: 0,
has_shops: false,
info: null,
show_in_site: null,
},
]