---
title: "Discussion on \"JavaScript Higher Order Functions & Arrays (Vanilla JavaScript)\" | Hashnode"
description: "Discussion on \"JavaScript Higher Order Functions & Arrays (Vanilla JavaScript)\". JavaScript Higher Order Functions & Arrays (Vanilla JavaScript)\ntags: JS\n事前準備:\n待會要處理的資料\nconst companies= [\n  {name: \"Company One\", category: \"Finance\", start: 1981, end: 2004},\n  {name: \"Company Two\", category: \"Retail\", start: 1992, end: 2008},\n  {n..."
url: "https://hashnode.com/posts/javascript-higher-order-functions-and-arrays-vanilla-javascript/6335a090fa20fa4bc8e53aa0"
---

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[Michael Luo](https://hashnode.com/@Michael0520)

Mar 1, 2021

# [JavaScript Higher Order Functions & Arrays (Vanilla JavaScript)](https://michael0520-blog.hashnode.dev/javascript-higher-order-functions-and-arrays-vanilla-javascript?utm_source=hashnode&utm_medium=feed)

JavaScript Higher Order Functions & Arrays (Vanilla JavaScript) tags: JS 事前準備: 待會要處理的資料 const companies= \[ {name: "Company One", category: "Finance", start: 1981, end: 2004}, {name: "Company Two", category: "Retail", start: 1992, end: 2008}, {n...

michael0520-blog.hashnode.dev 3 min read

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