How to Create Dictionaries in JavaScript
Taking a look at the object data type
3 min readAug 5, 2021
In programming languages, a common data structure called a dictionary is often used for storing data in key-value pairs. It provides a flexible way to store and read data when it is presented with a key.
Unlike in statically-typed languages, however, there is no such type as Dictionary in JavaScript. So how do you create one? You have a couple of options.
Making a Dictionary in JavaScript
In JavaScript, dictionaries can be created through Objects. To create a new object, among many other options, you can use these two:
More commonly, you’ll find that object literals are used. If you are interested in what are some other ways to create objects, check out the tutorial below:
