Find adjacent duplicates in js (for basic flood protection)

FindAdDup.js

const test = "imbecile kkk imbecile kkk imebicle kkk";
const results = {};
for (let i = 0; i < test.length; i++) {
  for (let j = i + 1; j <= test.length; j++) {
    const sequence = test.slice(i, j);
    if (sequence === test.slice(j, j + sequence.length)) {
      if (sequence in results) {
        results[sequence]++;
      } else {
        results[sequence] = 1;
      }
    }
  }
}
console.log(results); // {"imbecile kkk ": 1, mbecile kkk i: 1, becile kkk im: 1, k: 6}