js destructuring renam code example

Example 1: javascript object destructuring rename

// Renaming
// ----------------------------------------------
const { bar: foo } = { bar: 123 };
bar // Uncaught ReferenceError: bar is not defined
foo // 123


// Renaming with default value
// ----------------------------------------------
const { bar: foo = 123 } = { potato: 456 };
bar // Uncaught ReferenceError: bar is not defined
foo // 123
potato // Uncaught ReferenceError: potato is not defined

Example 2: object destructuring example

const hero = {
  name: 'Batman',
  realName: 'Bruce Wayne',
  address: {
    city: 'Gotham'
  }
};

// Object destructuring:
const { realName, address: { city } } = hero;
city; // => 'Gotham'