芝麻web文件管理V1.00

编辑当前文件:/home/rejoandoctor/public_html/node_modules/collect.js/src/methods/sum.js
'use strict'; const values = require('../helpers/values'); const { isFunction } = require('../helpers/is'); module.exports = function sum(key) { const items = values(this.items); let total = 0; if (key === undefined) { for (let i = 0, { length } = items; i < length; i += 1) { total += parseFloat(items[i]); } } else if (isFunction(key)) { for (let i = 0, { length } = items; i < length; i += 1) { total += parseFloat(key(items[i])); } } else { for (let i = 0, { length } = items; i < length; i += 1) { total += parseFloat(items[i][key]); } } return parseFloat(total.toPrecision(12)); };