Class Footnote

  • A Footnote element represents a footnote within a document and is contained within a ListItem or Paragraph.

  • Each Footnote element has a corresponding FootnoteSection element for its contents and cannot contain other elements itself.

  • Key methods for a Footnote element include copying the element, retrieving or setting its attributes, accessing its contents and sibling or parent elements, determining its type, checking if it's at the document end, and removing it from its parent.
Footnote

An element representing a footnote. Each Footnote is contained within a ListItem or Paragraph and has a corresponding FootnoteSection element for the footnote's contents. The Footnote itself cannot contain any other element. For more information on document structure, see the guide to extending Google Docs.

Methods

MethodReturn typeBrief description
copy() Footnote Returns a detached, deep copy of the current element.
getAttributes() ObjectRetrieves the element's attributes.
getFootnoteContents() FootnoteSection Retrieves the contents of the footnote element.
getNextSibling() Element Retrieves the element's next sibling element.
getParent() ContainerElement Retrieves the element's parent element.
getPreviousSibling() Element Retrieves the element's previous sibling element.
getType() ElementType Retrieves the element's ElementType .
isAtDocumentEnd() BooleanDetermines whether the element is at the end of the Document .
removeFromParent() Footnote Removes the element from its parent.
setAttributes(attributes) Footnote Sets the element's attributes.

Detailed documentation

copy()

Returns a detached, deep copy of the current element.

Any child elements present in the element are also copied. The new element doesn't have a parent.

Return

Footnote — The new copy.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

getAttributes()

Retrieves the element's attributes.

The result is an object containing a property for each valid element attribute where each property name corresponds to an item in the DocumentApp.Attribute enumeration. 

constdoc=DocumentApp.getActiveDocument();
constdocumentTab=doc.getActiveTab().asDocumentTab();
constbody=documentTab.getBody();
// Append a styled paragraph.
constpar=body.appendParagraph('A bold, italicized paragraph.');
par.setBold(true);
par.setItalic(true);
// Retrieve the paragraph's attributes.
constatts=par.getAttributes();
// Log the paragraph attributes.
for(constattinatts){
Logger.log(`${att}:${atts[att]}`);
}

Return

Object — The element's attributes.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

getFootnoteContents()

Retrieves the contents of the footnote element.

Return

FootnoteSection — the footnote section

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

getNextSibling()

Retrieves the element's next sibling element.

The next sibling has the same parent and follows the current element.

Return

Element — The next sibling element.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

getParent()

Retrieves the element's parent element.

The parent element contains the current element.

Return

ContainerElement — The parent element.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

getPreviousSibling()

Retrieves the element's previous sibling element.

The previous sibling has the same parent and precedes the current element.

Return

Element — The previous sibling element.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

getType()

Retrieves the element's ElementType .

Use getType() to determine the exact type of a given element. 

constdoc=DocumentApp.getActiveDocument();
constdocumentTab=doc.getActiveTab().asDocumentTab();
constbody=documentTab.getBody();
// Obtain the first element in the active tab's body.
constfirstChild=body.getChild(0);
// Use getType() to determine the element's type.
if(firstChild.getType()===DocumentApp.ElementType.PARAGRAPH){
Logger.log('The first element is a paragraph.');
}else{
Logger.log('The first element is not a paragraph.');
}

Return

ElementType — The element type.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

isAtDocumentEnd()

Determines whether the element is at the end of the Document .

Return

Boolean — Whether the element is at the end of the tab.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

removeFromParent()

Removes the element from its parent. 

constdoc=DocumentApp.getActiveDocument();
constdocumentTab=doc.getActiveTab().asDocumentTab();
constbody=documentTab.getBody();
// Remove all images in the active tab's body.
constimgs=body.getImages();
for(leti=0;i < imgs.length;i++){
imgs[i].removeFromParent();
}

Return

Footnote — The removed element.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

setAttributes(attributes)

Sets the element's attributes.

The specified attributes parameter must be an object where each property name is an item in the DocumentApp.Attribute enumeration and each property value is the new value to be applied. 

constdoc=DocumentApp.getActiveDocument();
constdocumentTab=doc.getActiveTab().asDocumentTab();
constbody=documentTab.getBody();
// Define a custom paragraph style.
conststyle={};
style[DocumentApp.Attribute.HORIZONTAL_ALIGNMENT]=
DocumentApp.HorizontalAlignment.RIGHT;
style[DocumentApp.Attribute.FONT_FAMILY]='Calibri';
style[DocumentApp.Attribute.FONT_SIZE]=18;
style[DocumentApp.Attribute.BOLD]=true;
// Append a plain paragraph.
constpar=body.appendParagraph('A paragraph with custom style.');
// Apply the custom style.
par.setAttributes(style);

Parameters

NameTypeDescription
attributesObjectThe element's attributes.

Return

Footnote — The current element.

Authorization

Scripts that use this method require authorization with one or more of the following scopes:

  • https://www.googleapis.com/auth/documents.currentonly
  • https://www.googleapis.com/auth/documents

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Last updated 2024年12月02日 UTC.