{"ScriptPreparationCode":"var data = Array.from(Array(10000).keys());","TestCases":[{"Name":"Object.fromEntries","Code":"Object.fromEntries(data.map((key) =\u003E [key, \u0027x\u0027]));","IsDeferred":false},{"Name":"Reduce (creating temporary objects)","Code":"data.reduce((acc, k) =\u003E ({\r\n ...acc,\r\n [k]: \u0027x\u0027\r\n}), {});","IsDeferred":false},{"Name":"For loop","Code":"const obj = {};\r\nfor (const d of data) {\r\n obj[d] = \u0027x\u0027;\r\n}","IsDeferred":false}]}