hzzzzl

const list = [
  [1,2,3,4,5],
  [2,3,4,5,6],
  [3,4,5,6,7],
  [4,5,6,7,8],
  ['adasd', 123, 312, 1234]
];

const remove = [
  [2,3,4,5,6],
  [3,4,5,6,7],
  [4,5,6,7,8],
]

_remove = remove.map(a => a.toString())
list.filter(a => !_remove.includes(a.toString()))

Array.prototype.myUnshift = function(...args) { 
  return [...this, ...args]
}

[3,5].myUnshift(34,52,25)
// [3, 5, 34, 52, 25]

html = ''

for (key in result.category) {
	html += `<p>${key}</p><select>`

	for (key1 in result.category[key].family) {
		html += `<option>${key1}</option>`
    }

	html += `</select>`
}

function compoundMatch(words, target) {
  for (let i = 0; i < words.length; i++) {

    for (let ii = 0; ii < words.length; ii++) {
      const m1 = words[i] + words[ii] === target
      const m2 = words[ii] + words[i] === target

      if (i !== ii && (m1 || m2)) {
        const arr = m1 ? [i, ii] : [ii, i]
        return [words[i], words[ii], arr]
      }
    }

  }
  
  return null
}

a = [
[200,200],
[300,300],
[200,250],
[200,200]
]

Array.from(
  new Set(a.map(el => el.join(' - ')))
).map(el => el.split(' - '))

const SuperLink = (props) => <NavLink activeClass="active" activeStyle={{fontWeight: "bold"}} to={props.to}>{props.text}</NavLink>

....

<SuperLink to="/stats" text="Stats"/>