{"ScriptPreparationCode":"const arr = Array(500).fill(0).map(() =\u003E Math.floor(Math.random() * 1000000));","TestCases":[{"Name":"Splice","Code":"const num = arr[Math.floor(Math.random() * 500)]\r\n\r\nconst index = arr.find(item =\u003E item === num)\r\n\r\nif (index \u003E -1) {\r\n\tarr.splice(index, 1)\r\n}\r\n\r\narr.push(1)","IsDeferred":false},{"Name":"Filter","Code":"const num = arr[Math.floor(Math.random() * 500)]\r\n\r\nconst newArr = arr.filter(item =\u003E item !== num)\r\n\r\nnewArr.push(1)","IsDeferred":false}]}