{"ScriptPreparationCode":"parentBox = document.createElement(\u0027div\u0027);\r\ndocument.body.appendChild(parentBox);\r\nchildBox = document.createElement(\u0027div\u0027);","TestCases":[{"Name":"replacechildren","Code":"parentBox.replaceChildren(childBox);","IsDeferred":false},{"Name":"appendchildren","Code":"parentBox.appendChild(childBox);","IsDeferred":false}]}