Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>

<script id="jsbin-javascript">
function isMod (s1, s2){
  if(s1.length != s2.length)
    return false;

  let a = s1.split('').sort();
  let b = s2.split('').sort();

  for(let i=0; i<a.length; i++){
    if(a[i]!=b[i]) return false;
  }
  return true;
}

console.log(
[
  ['abcd','dabc'],
  ['zaa','zaz'],
  ['fdr','yto']
].map(i=>isMod(i[0],i[1]) )
)
</script>


<script id="jsbin-source-javascript" type="text/javascript">function isMod (s1, s2){
  if(s1.length != s2.length)
    return false;

  let a = s1.split('').sort();
  let b = s2.split('').sort();

  for(let i=0; i<a.length; i++){
    if(a[i]!=b[i]) return false;
  }
  return true;
}

console.log(
[
  ['abcd','dabc'],
  ['zaa','zaz'],
  ['fdr','yto']
].map(i=>isMod(i[0],i[1]) )
)

</script></body>
</html>