Search⌘ K
AI Features

Discussion: Hexorcism

Understand how JavaScript handles hexadecimal values and converts them into decimal numbers using arithmetic operations, parseInt, and Number constructor. Learn the significance of prefixes like 0x, 0b, and 0o for hexadecimal, binary, and octal conversions, and explore JavaScript's limitations with large numbers to enhance your coding and problem-solving skills.

Verifying the output

Now, it’s time to execute the code and observe the output.

Javascript (babel-node-es2024)
const hex = "0x1E";
console.log(hex - 0);

Understanding the output

This JavaScript code outputs 30 because of the way JavaScript handles arithmetic operations and type conversions. The 0x part is a prefix used in JavaScript to indicate that a number is in hexadecimal format. Hexadecimal numbers use a base-16 ...