---
title: "Discussion on \"Efficient Object Looping, Deletion, and Existence Checks in JavaScript\" | Hashnode"
description: "Discussion on \"Efficient Object Looping, Deletion, and Existence Checks in JavaScript\". JavaScript Object is a non-primitive data type we store in it multiple and different primitive data type, every object consists of keys (properties) and its values, here is an object example👇\nconst person = {\n  firstName: \"Ismail\",\n  lastName: \"AbuA..."
url: "https://hashnode.com/posts/efficient-object-looping-deletion-and-existence-checks-in-javascript/66000699a20607215b81ff19"
---

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# [Efficient Object Looping, Deletion, and Existence Checks in JavaScript](https://codenuggets.hashnode.dev/efficient-object-looping-deletion-and-existence-checks-in-javascript?utm_source=hashnode&utm_medium=feed)

JavaScript Object is a non-primitive data type we store in it multiple and different primitive data type, every object consists of keys (properties) and its values, here is an object example👇 const person = { firstName: "Ismail", lastName: "AbuA...

Mar 24, 2024 · 3 min read · codenuggets.hashnode.dev  
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-   [#objects](https://hashnode.com/tag/objects)
-   [#javascript-objects](https://hashnode.com/tag/javascript-objects)
-   [#javascript-object-methods](https://hashnode.com/tag/javascript-object-methods)

## Written by

[ismail abu almagd](https://hashnode.com/@IsmailAbualmagd)

@IsmailAbualmagd · egypt

  
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Software developer

A software developer who found his passion in building successful saas and learn from the journey.

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