---
title: "Discussion on \"filter() in javascript\" | Hashnode"
description: "Discussion on \"filter() in javascript\". Let's start with a question.\nconst filteredMetaData = metaData.filter((md) => md.Code== 2010));\n\nA. If(filteredMetaData.length){\n\n}\n\nB. If(filteredMetaData){\n\n}\nWhich option should be used when you want to enter inside the if condition when the filte..."
url: "https://hashnode.com/posts/filter-in-javascript/64cf47e37f0ffca0c3ac6137"
---

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# [filter() in javascript](https://sumanad.hashnode.dev/filter-in-javascript?utm_source=hashnode&utm_medium=feed)

Let's start with a question. const filteredMetaData = metaData.filter((md) => md.Code== 2010)); A. If(filteredMetaData.length){ } B. If(filteredMetaData){ } Which option should be used when you want to enter inside the if condition when the filte...

Aug 6, 2023 · 2 min read · sumanad.hashnode.dev  
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-   [#javascript](https://hashnode.com/tag/javascript)
-   [#filter-in-js](https://hashnode.com/tag/filter-in-js)
-   [#immutability](https://hashnode.com/tag/immutability)

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[Suman Adhikari](https://hashnode.com/@SumanAdhikari)

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