javasctript destructing variables code example
Example 1: javascript destructing
/*
* On the left-hand side, you decide which values to unpack from the right-hand
* side source variable.
*
* This was introduced in ES6
*/
const x = [1, 2, 3, 4, 5]
const [a, b] = x
console.log(a) // prints out: 1
console.log(b) // prints out: 2
Example 2: how destructuring works in javascript
//destructuring in javascript
const objA = {
prop1: 'foo',
prop2: {
prop2a: 'bar',
prop2b: 'baz',
},
};
// Deconstruct nested props
const { prop1, prop2: { prop2a, prop2b } } = objA;
console.log(prop1); // 'foo'
console.log(prop2a); // 'bar'
console.log(prop2b); // 'baz'