JSFiddle - React, Tailwind, and code Playground

JavaScript

var o = {a: 1, b: 2, c: 3};
function keysAndValues(data){
  var arr= [[],[]];
  for(key in data)
  {   
      arr[0].push(key);
      //or
      arr[1].push(data[key]);
  }
  return arr;
};

console.log(keysAndValues(o));