DOM Range Reference

This chapter provides reference information for the DOM Range interface.

• DOM 2 Range Interface
• Gecko Range Interface Extensions

DOM 2 Range Interface

---

Properties

collapsed	Returns a boolean indicating whether a range is collapsed.
commonAncestorContainer	Returns the deepest Node that contains the startContainer and endContainer Nodes.
endContainer	Returns the Node within which the Range ends.
endOffset	Returns a number representing where in the endContainer the Range ends.
startContainer	Returns the Node within which the Range starts.
startOffset	Returns a number representing where in the startContainer the Range starts.

Creation Methods

createRange	Returns a new Range object.
setStart	Sets the start position of a Range.
setEnd	Sets the end position of a Range.
setStartBefore	Sets the start position of a Range relative to another Node.
setStartAfter	Sets the start position of a Range relative to another Node.
setEndBefore	Sets the end position of a Range relative to another Node.
setEndAfter	Sets the end position of a Range relative to another Node.
selectNode	Sets the Range to contain the node and its contents.
selectNodeContents	Sets the Range to contain the contents of a Node.

Editing Methods

collapse	Collapses the Range to one of its boundary points.
cloneContents	Returns a document fragment copying the nodes of a Range.
deleteContents	Removes the contents of a Range from the document.
extractContents	Moves contents of a Range from the document tree into a document fragment
insertNode	Insert a node at the start of a Range.
surroundContents	Moves content of a Range into a new node.

Other Methods

compareBoundaryPoints	Compares the boundary points of two Ranges.
cloneRange	Returns a Range object with boundary points identical to the cloned Range.
detach	Releases Range from use to improve performance.
toString	Returns the text of the Range.