How to Create a JavaScript Hex Decoder?

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A hexadecimal decoder in JavaScript can be created using the built-in parseInt function, which allows you to convert strings to numbers. Here’s an example of a simple hexadecimal decoder:

function hexDecoder(hex) {
  return parseInt(hex, 16);
}

In this function, the argument hex is a string that represents a hexadecimal number. The parseInt function takes two arguments: the first is the string to be converted, and the second is the base of the number system (in this case, 16 for hexadecimal).

Here’s an example of how you can use this function:

console.log(hexDecoder("1F")); // Output: 31

This function converts the hexadecimal string “1F” to its decimal equivalent, 31.

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