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The Road to React: The One with Class Components

ES6 Destructuring

Explore how to use ES6 destructuring in JavaScript to access object and array properties efficiently within React class components. Understand how this technique can simplify managing local state and improve code readability in your React projects.

We'll cover the following...

Destructuring in JavaScript ES6 provides easier access to properties in objects and arrays. Compare the following snippet in JavaScript ES5 and ES6:

Javascript (babel-node)
// comment either ES5 or ES6 code
const user = {
  firstname: 'Robin',
  lastname: 'Wieruch',
};
// ES5
// var firstname = user.firstname;
// var lastname = user.lastname;
// ES6
var { firstname, lastname } = user;
console.log(firstname + ' ' + lastname);

While we add an extra line each time we access an object property in JavaScript ES5, it takes just one ...