Ashutosh Dashashutoshdash.hashnode.dev·Jun 5, 2024Efficient Data Retrieval in JavaScript Arrays with MapA Hashmap in Javascript is a type of data structure where data is stored as key-value pairs. It provides a very efficient lookup operation based on keys for the values. Here we will see how we can use Hashmap to retrieve data if it is in the form of ...1 like·42 readsJavaScriptAdd a thoughtful commentNo comments yetBe the first to start the conversation.