{"ScriptPreparationCode":"var testArr = [];\r\nfor (let i = 0; i \u003C 2000000; i\u002B\u002B) {\r\n testArr.push(\u0027coucou\u0027);\r\n}","TestCases":[{"Name":"Array.prototype.concat","Code":"var other = [ 1, 2 ].concat(testArr);","IsDeferred":false},{"Name":"spread operator","Code":"var other = [ 1, 2, ...testArr ]","IsDeferred":false}]}