Reduce Data code example
Example 1: syntax of reduce in js
[1,2,3,4,5].reduce((acc, current)=>acc+current, 0)
Example 2: reduce()
const array1 = [1, 2, 3, 4];
const reducer = (accumulator, currentValue) => accumulator + currentValue;
// 1 + 2 + 3 + 4
console.log(array1.reduce(reducer));
// expected output: 10
// 5 + 1 + 2 + 3 + 4
console.log(array1.reduce(reducer, 5));
// expected output: 15