Const levenshteinDistance = (str1 = '', str2 = '') =>

Question

Const levenshteinDistance = (str1 = '', str2 = '') =>

{
const track = Array(str2.length + 1).fill(null).map(() =>
Array(str1.length + 1).fill(null));
for (let i = 0; i <= str1.length; i += 1) {
track[0][i] = i;
}
for (let j = 0; j <= str2.length; j += 1) {
track[j][0] = j;
}
for (let j = 1; j <= str2.length; j += 1) {
for (let i = 1; i <= str1.length; i += 1) {
const indicator = str1[i - 1] === str2[j - 1] ? 0 : 1;
track[j][i] = Math.min(
track[j][i - 1] + 1, // deletion
track[j - 1][i] + 1, // insertion
track[j - 1][i - 1] + indicator, // substitution
);
}
}
return track[str2.length][str1.length];
};
послание следующим поколениям