{"ScriptPreparationCode":"const body = document.getElementById(\u0027body\u0027);","TestCases":[{"Name":"with wrap","Code":"let i = 1000;\r\nlet wrap = document.createElement(\u0027div\u0027);\r\nwhile (i--) {\r\n\tlet a = document.createElement(\u0027span\u0027);\r\n\twrap.appendChild(a);\r\n}\r\nbody.appendChild(wrap);","IsDeferred":false},{"Name":"without createDocumentFragment","Code":"let i = 1000;\r\nwhile (i--) {\r\n\tlet a = document.createElement(\u0027span\u0027);\r\n\tbody.appendChild(a);\r\n}\r\n","IsDeferred":false},{"Name":"with createDocumentFragment","Code":"let i = 1000;\r\nlet fr = document.createDocumentFragment();\r\nwhile (i--) {\r\n\tlet a = document.createElement(\u0027span\u0027);\r\n\tfr.appendChild(a);\r\n}\r\nbody.appendChild(fr);","IsDeferred":false},{"Name":"wrap with display","Code":"let i = 1000;\r\nlet wrap = document.createElement(\u0027div\u0027);\r\nwrap.style.display = \u0027none\u0027;\r\nwhile (i--) {\r\n\tlet a = document.createElement(\u0027span\u0027);\r\n\twrap.appendChild(a);\r\n}\r\nbody.appendChild(wrap);\r\nwrap.style.display = \u0027block\u0027;","IsDeferred":false}]}