{"ScriptPreparationCode":"var existing = [ 1, 2, \u0022hello\u0022, true, 7 ];\r\nvar newi = [1, 1, 1];","TestCases":[{"Name":"Array.prototype.concat","Code":"var test = existing.concat(newi);","IsDeferred":false},{"Name":"spread operator","Code":"var test = [ ...existing, ...newi ];","IsDeferred":false},{"Name":"copy on push","Code":"var test = newi.forEach(i =\u003E existing.concat().push(i));","IsDeferred":false},{"Name":"directly push","Code":"existing.forEach(i =\u003E newi.push(i));","IsDeferred":false}]}