reducein js code example

Example 1: reduce javascript

let sum = arr.reduce((curr, index) => curr + index);

Example 2: syntax of reduce in js

[1,2,3,4,5].reduce((acc, current)=>acc+current, 0)

Example 3: .reduce mdn

arr.reduce(callback( accumulator, currentValue[, index[, array]] )[, initialValue])