{"ScriptPreparationCode":"var x = [1,2,3]\r\n\r\nArray.prototype.flatMap = function(f) {\r\n return [].concat(...this.map(f))\r\n}","TestCases":[{"Name":"lodash.flatMap","Code":"_.flatMap(x,x =\u003E [x-1, x, x\u002B1])","IsDeferred":false},{"Name":"native","Code":"x.flatMap(x =\u003E [x-1, x, x\u002B1])","IsDeferred":false}]}