{"ScriptPreparationCode":"function generateArray(n) {\r\n const ar = [];\r\n for (let i = 0; i \u003C n; i\u002B\u002B) {\r\n ar.push(Math.floor(Math.random() * 100));\r\n }\r\n return ar\r\n}\r\n\r\nvar arrayEl = [];\r\n\r\nvar a = generateArray(100);\r\nvar b = generateArray(100);\r\nvar c = generateArray(100);\r\n","TestCases":[{"Name":"...","Code":"arrayEl = [];\r\narrayEl = [...a, ...b, ...c];","IsDeferred":false},{"Name":"append","Code":"arrayEl = [];\r\narrayEl.concat(a);\r\narrayEl.concat(b);\r\narrayEl.concat(c);","IsDeferred":false}]}