{"ScriptPreparationCode":"var arr1 = [\u0022a\u0022, \u0022b\u0022, \u0022c\u0022, \u0022d\u0022];","TestCases":[{"Name":"SPREAD","Code":"var result = [...[\u0022x\u0022, \u0022y\u0022, \u0022z\u0022], ...arr1];","IsDeferred":false},{"Name":"UNSHIFT","Code":"var result = arr1.unshift(\u0022x\u0022, \u0022y\u0022, \u0022z\u0022);","IsDeferred":false}]}