The typedArray.reduce() is an inbuilt function in JavaScript which is used to reduce each element of the typedArray from left to right into a single value.
Syntax:
typedArray.reduce(callback)
Parameters: It accept a parameter callback function which accept some parameters specified below-
- previousValue: It is the previously returned value.
- currentValue: It is the current element being processed in the typedArray.
Return value: It returns the result of the reduce() function.
Example 1:
javascript
// Creating some typedArray const A = new Uint8Array([ 1, 2, 3, 4]); const B = new Uint8Array([5, 6, 7]); const C = new Uint8Array([1, 3, 5]); const D = new Uint8Array([2, 4, 6, 8]); // Calling sum() function function sum(previousValue, currentValue) { return previousValue + currentValue; } // Printing reduced value of the given typedArray console.log(A.reduce(sum)); console.log(B.reduce(sum)); console.log(C.reduce(sum)); console.log(D.reduce(sum)); |
Output:
10 18 9 20
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