• May 15, 2025
How can I generate a circular array of values in JavaScript?

When working with arrays in JavaScript, it's common to need a way to cycle through elements repeatedly, creating a circular pattern. This is useful in many scenarios, such as rotating banners, round-robin scheduling, or repeating sequences in animations. One common question in tech interviews is how to generate or access an array in a circular way, especially when the index exceeds the array length.