Salesforce LWC: Working with Map Objects in JavaScript | @SalesforceHunt | #javascript | #lwc

Hello Everyone,

In this tutorial, we will be learning how to work with Map objects in JavaScript within the context of a Lightning Web Component (LWC) in Salesforce.

We will cover the following topics:

🔴 What are Map objects and why are they useful?
🔴 How to create and initialize a Map object in LWC
🔴 How to add, update, and delete key-value pairs in a Map object
🔴 How to iterate through a Map object using for-of loop and
🔴 How to get the size of a Map object and check if it is empty
By the end of this tutorial, you will have a solid understanding of how to use Map objects in your LWCs and how they can help you manage key-value data in your Salesforce projects.

📌 Find the Salesforce Related tutorials below:

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📌Lightning Web Component:

📌JavaScript for Lightning Web Component:

📌Salesforce Lightning Flow Builder :

📌Salesforce Lightning Component :

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[ADITYASINGH-ihhz]

Thank you for the video. But I would really like to see a use case where I can use maps in LWC.

[harnamsingh]

Hi, Can we use Maps in LWC HTML to get values with Key?
Example : <Lightning:Combobox options={myMap[key]} />

Is it possible to achieve this?