es6 reduce text to number code example
Example 1: reduce javascript
let sum = arr.reduce((curr, index) => curr + index);
Example 2: .reduce mdn
arr.reduce(callback( accumulator, currentValue[, index[, array]] )[, initialValue])
let sum = arr.reduce((curr, index) => curr + index);
arr.reduce(callback( accumulator, currentValue[, index[, array]] )[, initialValue])