text: var obj = {
      name: 'John Doe',
      greet: function() {
          console.log(`Hello ${ this.name }`);
      }
  };
  
  obj.greet();
  obj.greet.call({ name: 'Jane Doe' }); // If the function has parameters you pass throught call separating with , e.g: param1, param2
  obj.greet.apply({ name: 'Jane Doe' }); // If the function has parameters you pass throught apply in an aray e.g: [param1, param2]