Hash string into number
JavaScript, Math · Oct 22, 2020

Hashes the input string into a whole number.
- Use
String.prototype.split()
andArray.prototype.reduce()
to create a hash of the input string, utilizing bit shifting.
const sdbm = str => { let arr = str.split(''); return arr.reduce( (hashCode, currentVal) => (hashCode = currentVal.charCodeAt(0) + (hashCode << 6) + (hashCode << 16) - hashCode), 0 ); }; sdbm('name'); // -3521204949