SharePoint中的多级标题手风琴

Question

我正在使用以下内容（来自此链接：https://info.summit7systems.com/blog/how-to-create-dynamic-accordions-in-sharepoint-pages）在SharePoint中创建手风琴，但我需要对其进行编辑以添加其他选项来扩展/折叠h3和h4标头。每当我进行任何添加时，所有功能都会停止运行。我真的很陌生。感谢您的帮助。

`<script language="javascript" type="text/javascript"     
src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-2.0.2.min.js"></script>
<script language="javascript" type="text/javascript">

$(document).ready(function () {
var inEditMode = Utils.checkPageInEditMode();
// Prevent the collapsing of <h2> blocks when in SharePoint's [Edit Mode]
if (!inEditMode) {
UI.collapseContentHeaders();
UI.toggleContentHeaders();
}
});

var UI = {
collapseContentHeaders: function () {
$('#DeltaPlaceHolderMain h2').each(function (index, value) {
// Collapses all <h2> blocks except for the first encountered
if (index > 0) {
$(this).toggleClass('expand').nextUntil('h2').slideToggle(100);
}
});
},
toggleContentHeaders: function () {
// Toggles the accordion behavior for <h2> regions onClick
$('#DeltaPlaceHolderMain h2').click(function () {
$(this).toggleClass('expand').nextUntil('h2').slideToggle(100);
});
}
}

var Utils = {
checkPageInEditMode: function () {
var pageEditMode = null;
var wikiPageEditMode = null;

// Edit check for Wiki Pages
if (document.forms[MSOWebPartPageFormName]._wikiPageMode) {
wikiPageEditMode = 
document.forms[MSOWebPartPageFormName]._wikiPageMode.value;
}
// Edit check for all other pages
if (document.forms[MSOWebPartPageFormName].MSOLayout_InDesignMode) {
pageEditMode = 
document.forms[MSOWebPartPageFormName].MSOLayout_InDesignMode.value;
}
// Return the either/or if one of the page types is flagged as in Edit Mode
if (!pageEditMode && !wikiPageEditMode) {
return false;
}
return pageEditMode == "1" || wikiPageEditMode == "Edit";
}
}
</script>