{"ScriptPreparationCode":"var existing = [ 1, 2, \u0022hello\u0022, true, 7 ];\r\nvar newi = 1;","TestCases":[{"Name":"Array.prototype.concat","Code":"var other = existing.concat([newi]);","IsDeferred":false},{"Name":"spread operator","Code":"var other = [ ...existing, newi ];","IsDeferred":false},{"Name":"copy on push","Code":"var other = existing.concat().push(newi);","IsDeferred":false},{"Name":"directly push","Code":"existing.push(newi);","IsDeferred":false}]}