array.where()
This method operates on an array. You typically fetch documents from a collection as a set, not an array. For the equivalent set method, see set instance methods. For differences between sets and arrays, see Sets vs. arrays. |
Get a subarray of matching Array values.
Description
The filter()
method calls the predicate Function with each
Array element as a parameter. The Array elements are
passed as a parameter, sequentially, to predicate. The method creates
an Array that consists of the Array elements for which
the function calls evaluate to true.
If where()
is the last value in a query, the first page of the
created Array is returned.
the calling array isn’t changed.
Parameters
Return value
Type | Description |
---|---|
Array of elements that evaluate to |
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