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deleteData(offset, count)
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Parameters
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unsigned long offset
The offset from which to start removing.
unsigned long count
The number of 16-bit units to delete. If the sum of offset and count exceeds length then all 16-bit units from offset to the end of the data are deleted.
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Returns
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void
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Throws
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DOMException
INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than the number of 16-bit units in data, or if the specified count is negative.
NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly.
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