{"ScriptPreparationCode":"var arr = [];\r\nvar add = _.range(100);\r\nadd = add.concat(add);","TestCases":[{"Name":"_.union","Code":"add.forEach(function (item) {\r\n arr = _.union(arr, [item]);\r\n});\r\n","IsDeferred":false},{"Name":"indexOf \u002B push","Code":"add.forEach(function (item) {\r\n if(arr.indexOf(item) === -1) {\r\n arr.push(item);\r\n }\r\n});\r\n","IsDeferred":false}]}