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Fix typo to fit the context Fix typo add space Fix small typo Fix small typo Fix typo Fix typo Fix typo Fix typo Fix typo Fix typo Fix typo Update tail.md Fix typo Fix small typo Fix typo Fix typo Fix typo Fix typo Fix small typo Fix typo Fix small typo Fix typo Fix typo Fix typo Fix typo Fix typo Fix typo Fix typo Fix typo Fix typo
13 lines
405 B
Markdown
13 lines
405 B
Markdown
### hammingDistance
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Calculates the Hamming distance between two values.
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Use XOR operator (`^`) to find the bit difference between the two numbers, convert to a binary string using `toString(2)`.
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Count and return the number of `1`s in the string, using `match(/1/g)`.
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```js
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const hammingDistance = (num1, num2) =>
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((num1 ^ num2).toString(2).match(/1/g) || '').length;
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// hammingDistance(2,3) -> 1
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```
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