js-string-bucket-hash.js

function hashString(s) {
  let hashValue = 0;
  for (let i = 0; i < s.length; i++) {
    hashValue = (hashValue * 31 + s.charCodeAt(i)) % 4294967296;
  }
  let bucket = Math.floor((hashValue / 4294967296) * 8);
  return bucket;
}


// Select the target node
const targetNode = document.body;

// Options for the observer (which mutations to observe)
const observerOptions = {
  childList: true,
  attributes: true,
  subtree: true
};

// Create a new observer instance
const observer = new MutationObserver(function(mutationsList, observer) {
  // Handle mutations here
  for (let mutation of mutationsList) {
    if (mutation.type === 'childList') {
      // Call a function to update the DOM, but only if the mutation
      // wasn't caused by this same function in a previous iteration
      if (!mutation.target.classList.contains('dom-updated')) {
        updateDOM(mutation);
      }
    }
  }
});

// Start observing the target node for configured mutations
observer.observe(targetNode, observerOptions);

// Function to update the DOM
function updateDOM(mutation) {
  // Perform custom DOM updates here
  // ...

  // Add a class to the mutated element to mark it as updated
  mutation.target.classList.add('dom-updated');
}