Day 14 Javascript Interview Series🤯 #javascript #interview #react #frontend #tranding #latest #trand

Day 14 of Javascript Interview Question Series

We'll take a close look at a function that performs addition, but something unexpected happens. The output is {nan}! What does {nan} mean, and why does it show up in our result? Let’s break it down step by step and understand the tricky behavior of {javascript} when it comes to undefined variables. 🚨

🛠 Topics we’ll cover:

What happens when a function is missing an argument in {javascript}?
Why does {nan} show up, and what does it signify?
How can we handle missing arguments using default values? 💡
By the end of this video, you’ll have a clear understanding of how {undefined} and {nan} work in {javascript}, and how to avoid these common pitfalls in your coding journey. 🚀

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