https://adrianmejia.com/most-popular-algorithms-time-complexity-every-programmer-should-know-free-online-tutorial-course/#Bubble-sort

bubble-sort.js

function sort(n) {
  for (let outer = 0; outer < n.length; outer++) {
    let outerElement = n[outer];

    for (let inner = outer + 1; inner < n.length; inner++) {
      let innerElement = n[inner];

      if(outerElement > innerElement) {
        // swap
        n[outer] = innerElement;
        n[inner] = outerElement;
        // update references
        outerElement = n[outer];
        innerElement = n[inner];
      }
    }
  }
  return n;
}