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Valeri173

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Valeri173
Jan 10th, 2022
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  1. <!DOCTYPE html>
  2. <html lang="bg">
  3. <head>
  4. <meta charset="UTF-8">
  5. <meta http-equiv="X-UA-Compatible" content="IE=edge">
  6. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  7. <title>Document</title>
  8. </head>
  9. <body>
  10. <script>
  11. const item = [
  12. {name: "Колело", price: 300},
  13. {name: "Камера", price: 400},
  14. {name: "Раница", price: 50},
  15. {name: "Книга", price: 30},
  16. {name: "Телефон", price: 600},
  17. {name: "Лаптоп", price: 1000},
  18. {name: "Мишка", price: 15}
  19. ];
  20.  
  21. const filteredNumbers = item.filter((item) => {
  22. return item.price < 200;
  23. });
  24. console.log(filteredNumbers);
  25.  
  26. const itemNames = item.map((item) => {
  27. return item.name;
  28. });
  29. console.log(itemNames);
  30.  
  31. const foundItem = item.find((item) => {
  32. return item.name === "Лаптоп";
  33. });
  34. console.log(foundItem);
  35.  
  36. const hasInexpenciveItems1 = item.some((item) => {
  37. return item.price <= 100;
  38. });
  39. console.log(hasInexpenciveItems1);
  40.  
  41. const hasInexpenciveItems2 = item.every((item) => {
  42. return item.price <= 1000;
  43. });
  44. console.log(hasInexpenciveItems2);
  45.  
  46. const total = item.reduce((currentTotal, item) => {
  47. return item.price + currentTotal;
  48. }, 0);
  49. console.log(total);
  50. </script>
  51. </body>
  52. </html>
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