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

0 vote287 views2 answers
Pip install covid
Python
94 votes281 views5 answers
How to rename columns using panda object
Python
2 votes286 views1 answer
Add colour to text in python
Python
0 vote280 views1 answer
Pandas dataframe from multiple csv
Python
3 votes294 views1 answer
Last history of whatsapp message with python
Python
0 vote283 views1 answer
Python measure volum from audio file
Python
0 vote285 views2 answers
Remove stopwords
Python
3 votes279 views2 answers
Change django administration title
Python
0 vote288 views1 answer
Optimal alpha jupyter
Python
1 vote282 views1 answer
Represent NaN with pandas in python
Python