{"ScriptPreparationCode":"var itemsArray = [];\r\nvar itemsObj = {};\r\n\r\nfor (let i = 0; i \u003C 100000; i\u002B\u002B) {\r\n\titemsArray.push({\r\n \tid: i,\r\n \tauthor: \u0027Robert\u0027 \u002B i,\r\n })\r\n itemsObj = {...itemsObj, [i]: {id: i, author: \u0027Robert\u0027 \u002B i}}\r\n}","TestCases":[{"Name":"item by key","Code":"console.log(\u0027itemsObj \u0027, itemsObj[59430])","IsDeferred":false},{"Name":"filtered item","Code":"console.log(itemsArray.filter(item =\u003E item.id === 59430)[0])","IsDeferred":false}]}