{"ScriptPreparationCode":"var n = 1000;\r\nvar a = [...Array(n)].map(() =\u003E Math.floor(Math.random()*n));\r\nvar b = new Set(a);\r\nvar t = a[Math.floor(n/2)];","TestCases":[{"Name":"includes","Code":"return a.includes(t);","IsDeferred":false},{"Name":"has","Code":"return b.has(t);","IsDeferred":false}]}