text: var str = "1000";
  var x = 3;
  
  console.log(str / 3);  // auto detected
  
  
  var a = 23.567;
  console.log(Number.parseInt(a));
  
  var b = 22;
  console.log(Number.parseFloat(b));
  
  var b = 1;
  var c = 1;
  d = b = c;
  console.log(Boolean(d));
  
  console.log(Boolean(''));
  console.log(Boolean(null));