I often ask in interviews: Can you generate a two-dimensional array using JavaScript? This question... Tagged with javascript, typescript, interview.

Dev.to is a community platform for developers, offering resources, discussions, and networking opportunities to empower individuals in their coding journey. Developers can learn new programming languages, frameworks, and tools, engage in discussions on best practices, and share their experiences with fellow developers to enhance their skills and grow their professional network.

Learn multiple ways to generate one-dimensional and two-dimensional arrays in JavaScript. Understand the advantages and disadvantages of each method. Improve your JavaScript proficiency and handle programming challenges more effectively.

Mastering JavaScript: Multiple Ways to Generate a Two-Dimensional Array

Is there some typical uses case where you need to create empty 2d arrays ?

Great review! And I didn’t know the Array constructor would give empty slots if only passed one value. My fave is Array.from.

What’s the. Mostly used things in Java script