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Start
API Reference
Mixins
DataCollection
Methods
getPrevId
returns the ID of an item which is positioned the specified step before the specified item
id
getPrevId
(
id
id
,
number
step
);
Parameters
id
id
the item id
step
number
the step (by default, 1)
Returns
id
the item id
See also
api
getLastId
getNextId
getFirstId
articles
Selection
Data Object Operations
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