{"ScriptPreparationCode":"var obj = {};\r\nfor (let i = 1; i \u003C= 3000; i\u002B\u002B) {\r\n obj[i] = i.toString();\r\n}","TestCases":[{"Name":"loadash","Code":"const myCopy = _.cloneDeep(obj);\r\nconst value = myCopy[500];","IsDeferred":false},{"Name":"json ","Code":"const myCopy = JSON.parse(JSON.stringify(obj));\r\nconst value = myCopy[500];","IsDeferred":false},{"Name":"freeze and get","Code":"const myCopy = Object.freeze(obj);\r\nconst value = myCopy[500];","IsDeferred":false}]}