{"ScriptPreparationCode":"var {toString} = Object.prototype;\r\nvar arr = [1, 2, 3, 4];\r\nvar c =0;","TestCases":[{"Name":"toString","Code":"if(toString.call(arr) === \u0027[object Array]\u0027) {c\u002B\u002B}","IsDeferred":false},{"Name":"instanceof","Code":"if(arr instanceof Array) {c\u002B\u002B}","IsDeferred":false},{"Name":"isArray","Code":"if(Array.isArray(arr)) {c\u002B\u002B}","IsDeferred":false}]}