JavaScript Algorithms: Max Characters

JavaScript Algorithms: Max Characters

In this blog, we’ll go over how to find the most commonly used character in a string, a question that might come up in your next technical interview.

In this blog, we’ll go over how to find the most commonly used character in a string, a question that might come up in your next technical interview.

This problem is a great example of understanding the usage of JavaScript objects, specifically how to access and manipulate values inside of objects. It also tests your knowledge of JavaScript loops, such as knowing the difference between for…of and for…in. The most important property of objects to understand for this question is the usage of key-value pairs. When a key is called within the code, it will return the referenced value. Here’s a little code snippet of me calling for the price of an apple within the prices object:

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