JS interview question

interview.js

console.log(add(5, 7)) // 12
console.log(add(5)(7)) // 12
console.log(add(3)(7)) // 10



function greet(greeting, punctuation) {
  return greeting + ' ' + this.user + punctuation;
}

const freddy = { user: 'fred' };

console.log(greet.bind(freddy, 'hi')('!')); // 'hi fred!'





const asif= {
  greet: function () {
    
    function sayHi(this) {
      console.log(`Hi ${this.name}`);
    }
    sayHi();
  },
  name: "Asif",
};

asif.greet()



const obj = {} console.log('obj' in obj); console.log('toString' in obj); console.log('toNumber' in obj);