reduce numbers js code example
Example 1: reduce javascript
//note idx and sourceArray are optional
const sum = array.reduce((accumulator, element[, idx[, sourceArray]]) => {
//arbitrary example of why idx might be needed
return accumulator + idx * 2 + element
}, 0);
Example 2: javascript, reduce
const myReduce = myArray.reduce((acc, item) => {
acc += item
})