{"ScriptPreparationCode":"var el = 3;\r\nvar arr = [ 1, 2 ];","TestCases":[{"Name":"Array.prototype.concat","Code":"var other = arr.concat(el);","IsDeferred":false},{"Name":"spread operator","Code":"var other = [...arr, el]","IsDeferred":false},{"Name":"Push","Code":"var other = arr.push(el);","IsDeferred":false}]}