previousSibling

• Description
• Syntax
• Examples
• Links

The previousSibling of MutationRecord for JS returns the previous sibling of the added or removed nodes; otherwise null.

record.previousSibling

• addedNodes
• attributeName
• attributeNamespace
• nextSibling
• oldValue
• removedNodes
• target
• type

• Web Hypertext Application Technology Working Group (WHATWG)