nextSibling

• Description
• Syntax
• Examples
• Links

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

record.nextSibling

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

• Web Hypertext Application Technology Working Group (WHATWG)