JSFiddle - React, Tailwind, and code Playground

JavaScript

var res;

try {
  res = $('<div lang="en">ff</div>').closest('[lang]');
}
catch ( err ) {
  res = String( err );
}
console.log( res );

try {
  res = $('<div>ff</div>').closest('[lang]');
}
catch ( err ) {
  res = String( err );
}
console.log( res );