What is fn.call

function Product(name, price) {
  this.name = name;
  this.price = price;
}

function Food(name, price) {
  Product.call(this, name, price);
  this.category = 'food';
}

function Toy(name, price) {
  Product.call(this, name, price);
  this.category = 'toy';
}

const cheese = new Food('feta', 5);
const fun = new Toy('robot', 40);

Source: developer.mozilla.org

What is fn.call

const animals = [
  { species: 'Lion', name: 'King' },
  { species: 'Whale', name: 'Fail' }
];

for (let i = 0; i < animals.length; i++) {
  (function(i) {
    this.print = function() {
      console.log('#' + i + ' ' + this.species
                  + ': ' + this.name);
    }
    this.print();
  }).call(animals[i], i);
}

Source: developer.mozilla.org

Similar codes

19 votes149 views2 answers
Palindrome string python
Python
19 votes122 views1 answer
Pygame scale image python
Python
0 vote124 views1 answer
Updating to database
Python
30 votes133 views6 answers
Python list to string
Python
22 votes121 views2 answers
Python count repeated elements in a list
Python
3 votes131 views1 answer
Axis = 1 python
Python
0 vote129 views1 answer
Enumerate in django templte
Python
0 vote181 views1 answer
Pandas count empty string values
Python
0 vote125 views1 answer
Python program for simple interest
Python
0 vote147 views1 answer
Python - subtracting dictionary values
Python