Modifier and Type | Method and Description |
---|---|
JSValue |
callback(JSValue previousValue,
JSValue currentValue,
int index,
JSArray<JSValue> array)
A function to reduce a mapped value into an accumulator
|
JSValue callback(JSValue previousValue, JSValue currentValue, int index, JSArray<JSValue> array)
previousValue
- previous value of the accumulatorcurrentValue
- value of mapped itemindex
- index in 'array'array
- map array being traversed