{"ScriptPreparationCode":null,"TestCases":[{"Name":"concat","Code":"let i, x;\r\nlet a = (new Array(1e3)).fill(99);\r\nlet b = (new Array(1e3)).fill(99);\r\nlet c = (new Array(1e3)).fill(99);\r\nlet d = (new Array(1e3)).fill(99);\r\n\r\nfor(i = 0; i \u003C 1e2; i\u002B\u002B) x = [1,2,3].concat(a, b, c, d)","IsDeferred":false},{"Name":"spread","Code":"let a = 1;","IsDeferred":false}]}