classic spreadsheet sum of array item products
npm install sum-productsumProduct([0,1], [2,3], [4,5]) // 024 + 135 = 15
javascript
var sumProduct = require('sum-product')
var result = sumProduct([0,1], [2,3], [4,5]) // 024 + 135 = 15
result = sumProduct() // ==>0
result = sumProduct([]) // ==>0
result = sumProduct([a]) // ==>NaN
``