{"ScriptPreparationCode":"var firstEl = {\u0022id\u0022: 0}\r\nvar listA = [firstEl]\r\nvar listB = [firstEl]\r\nfor (var i = 0; i \u003C 10000; i\u002B\u002B) {\r\n listA.push({\u0022id\u0022:Math.floor(Math.random() * (i - 1) \u002B 1)});\r\n listB.push({\u0022id\u0022:Math.floor(Math.random() * (i - 1) \u002B 1)});\r\n}\r\nvar lastEl = {\u0022id\u0022: 10001}","TestCases":[{"Name":"Array.some","Code":"const difference1 = listA.some(e =\u003E e.id === firstEl.id)\r\nconst difference2 = listA.some(e =\u003E e.id === lastEl.id)","IsDeferred":false},{"Name":"Array.filter","Code":"const difference1 = listA.filter(e =\u003E e.id === firstEl.id)\r\nconst difference2 = listA.filter(e =\u003E e.id === lastEl.id)","IsDeferred":false},{"Name":"Array.indexOf","Code":"const difference1 = listA.indexOf(e =\u003E e.id === firstEl.id)\r\nconst difference2 = listA.indexOf(e =\u003E e.id === lastEl.id)","IsDeferred":false},{"Name":"Array.includes","Code":"const difference1 = listA.includes(e =\u003E e.id === firstEl.id)\r\nconst difference2 = listA.includes(e =\u003E e.id === lastEl.id)","IsDeferred":false},{"Name":"Array.find","Code":"const difference1 = listA.find(e =\u003E e.id === firstEl.id)\r\nconst difference2 = listA.find(e =\u003E e.id === lastEl.id)","IsDeferred":false}]}