{"ScriptPreparationCode":"var native = [];\r\nfor (var i=0; i \u003C 1000; i\u002B\u002B) {\r\n native.push(i);\r\n}\r\nvar immutable = Immutable.List(native);\r\nvar seamless = Seamless(native);","TestCases":[{"Name":"Native map","Code":"var b = native.map(el =\u003E el).push(\u0027array\u0027)","IsDeferred":false},{"Name":"Native slice","Code":"var b = native.slice().push(\u0027array\u0027)","IsDeferred":false},{"Name":"Native spread","Code":"var b = [...native, \u0027array\u0027]","IsDeferred":false}]}