Tricky JavaScript Interview Questions | #0028 #javascript

Posted By on August 9, 2024

Tricky JavaScript Interview Questions | #0028 #javascript
You might think adding 0.1 and 0.2 in JavaScript should give you exactly 0.3, but what you see is actually false! 🤔 Why does this happen? It’s all about how JavaScript handles floating-point arithmetic.

JavaScript uses the IEEE 754 binary floating-point format for calculations. While it’s excellent for many tasks, it can’t precisely represent some decimal numbers. So, when you add 0.1 and 0.2, you get a result very close to 0.3, but not exactly 0.3.

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