hard-binding-this.js

function printSpeciality() {
  console.log(`${this.city} is know for ${this.speciality}`);
}

const printKarurSpeciality = printSpeciality.bind({city: 'Karur', speciality: 'Textile Industries'});
printKarurSpeciality(); // Karur is know for Textile Industries

const printCoimbatoreSpeciality = printSpeciality.bind({city: 'Coimbatore', speciality: 'Mechanical Industries'});
printCoimbatoreSpeciality();  // Coimbatore is know for Mechanical Industries

const printTirupurSpeciality = printCoimbatoreSpeciality.bind({
  city: 'Tirupur',
  speciality: 'Textile Industries'
}); // Already bound function can not be overridden
printTirupurSpeciality();  // Coimbatore is know for Mechanical Industries