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canDeleteData(offset, count)
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Parameters
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unsigned longoffset
Offset.
unsigned longcount
Number of 16-bit units to delete.
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Returns
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unsigned short. A validation state constant.
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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.
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