0xD34F

arr.reduce((acc, n) => (
  Object.entries(n.json_build_object).forEach(([ k, v ]) => {
    (acc[k] ??= []).find(m => m.id === v.id) || acc[k].push(v);
  }),
  acc
), {})

links.reduce((acc, n) => {
  const path = n.url.split('/');
  const [ lastFolder ] = path.splice(-2);
  (path.reduce((p, c) => p[c] ??= {}, acc)[lastFolder] ??= []).push(n);
  return acc;
}, {})

const elem = document.querySelector(selector);
const parent = elem?.parentNode;
const elems = [...parent?.children ?? []];
const index = elems.indexOf(elem);
elems.slice(-~index || elems.length).forEach(n => parent.removeChild(n));

// или

for (
  const el = document.querySelector(selector);
  el?.nextElementSibling;
  el.nextElementSibling.remove()
) ;

// или

document.querySelectorAll(`${selector} ~ *`).forEach(n => n.outerHTML = '');

document.querySelector('.shopWrapper').addEventListener('mouseover', function() {
  const color = `#${Math.random().toString(16).slice(2, 8).padEnd(6, 0)}`;
  this.style.setProperty('--random-color', color);
});

function Home(products, 
    searchValue,
    ...

print('\n'.join(f'{k}: {v}' for k, v in collections.Counter(selled).items()))

arr.map(n => {
  const ids = Object
    .values(n.childrenHash.reduce((acc, m) => ((acc[m.hash] ??= []).push(m.id), acc), {}))
    .filter(m => m.length > 1);

  return {
    ...n,
    childrenHash: ids.length ? ids : null,
  };
})

const table = document.querySelector('здесь селектор вашей таблицы');
const className = 'active';

table.querySelectorAll('tbody td').forEach(td => {
  td.classList.toggle(className, !td.textContent.trim());
});

for (const { rows } of table.tBodies) {
  for (const { cells } of rows) {
    for (const td of cells) {
      if (/^\s*$/.test(td.innerText)) {
        td.classList.add(className);
      }
    }
  }
}

computed: {
  trimmedNewTodoText() {
    return this.newTodoText.trim();
  },
  ...

addNewTodo() {
  const title = this.trimmedNewTodoText;
  if (title) {
    this.todos.push({
      title,
      ...

<button :disabled="!trimmedNewTodoText">Add</button>

props: {
  user: String
},
emits: ["update:someUser"]

- emits: ["update:someUser"]
+ emits: ["update:user"]

- @input="$emit('update:someUser', $event.target.value)"
+ @input="$emit('update:user', $event.target.value)"

function isEqual(a, b) {
  if (a instanceof Object && a.constructor === b?.constructor) {
    const keys = Object.keys(a);
    return (
      keys.length === Object.keys(b).length &&
      keys.every(k => Object.hasOwn(b, k) && isEqual(a[k], b[k]))
    );
  } else {
    return Object.is(a, b);
  }
}

const sumIntervals = intervals => intervals
  .slice()
  .sort((a, b) => a[0] - b[0])
  .reduce((acc, n) => {
    const top = acc.at(-1);

    if (!top || top[1] < n[0]) {
      acc.push([...n]);
    } else if (top[1] < n[1]) {
      top[1] = n[1];
    }

    return acc;
  }, [])
  .reduce((acc, n) => acc - n[0] + n[1], 0);

const where = '.container';
const what = '.wrapper-item h3';

$(where).prepend(function() {
  return $(what, this);
});

document.querySelectorAll(where).forEach(n => {
  n.prepend(n.querySelector(what));
});