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setStart(refNode, offset)
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Parameters
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NoderefNode
The refNode value. This parameter must be different from null.
longoffset
The startOffset value.
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Returns
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void
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Throws
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RangeException
INVALID_NODE_TYPE_ERR: Raised if refNode or an ancestor of refNode is an Entity, Notation, or DocumentType node.
DOMException
INDEX_SIZE_ERR: Raised if offset is negative or greater than the number of child units in refNode. Child units are 16-bit units if refNode is a type of CharacterData node (e.g., a Text or Comment node) or a ProcessingInstruction node. Child units are Nodes in all other cases.
INVALID_STATE_ERR: Raised if detach() has already been invoked on this object.
WRONG_DOCUMENT_ERR: Raised if refNode was created from a different document than the one that created this range.
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