Master Arrow function in Javascript
19 January, 2023
0
0
0
Contributors
%2520by%2520Justas%2520Galaburda%2520on%2520Dribbble.png?type=webp)
Are you tired of typing out "function" every time you want to create a function in JavaScript? Well, have no fear, because arrow functions are here to save the day!
First of all, let's talk about the syntax. Instead of typing "function" and using the "=>" operator, you can just use the "=>" operator by itself. It's like magic! But don't just take my word for it, here's an example:
// Traditional function
function add(a, b) {
return a + b;
}
// Arrow function
const add = (a, b) => a + b;
But the real magic of arrow functions is their ability to make your code look like a work of art. Just look at this example:
// Traditional function
const numbers = [1, 2, 3, 4, 5];
const doubledNumbers = numbers.map(function(number) {
return number * 2;
});
// Arrow function
const numbers = [1, 2, 3, 4, 5];
const doubledNumbers = numbers.map(number => number * 2);
Not only does it take up less space, but it's also easier to read! It's like the Mona Lisa of code.
But wait, there's more! Arrow functions also come with their own set of superpowers. For example, when you use an arrow function inside of a class, it automatically binds the "this" keyword to the class. That means you don't have to use "bind" or "that = this" anymore. It's like having a personal superhero to help you with your coding.
So, if you're tired of typing out "function" and want to make your code look like a work of art, give arrow functions a try. They're like a superhero for your code!
P.S.: But don't forget to use them wisely, if you're not careful, you might create a code monster like Frankenstein.