countValues
Description
Calculates the sum of all items in an Observable
.
API
Since
1.0
Parameters
None
Options
initialState: Object
: Sets a warm start value so that the calculation can continue from a starting point (instead of a blank state). Example:{valueCounts: {myFirstValue: 32, mySecondValue: 5, myThirdValue: 42}, keyCount: 3}
.
Returns
Number
. (The current sum of the Observable
.)
Examples
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