Function update

This method is like set except that it accepts updater to produce the value to set. Use updateWith to customize path creation. The updater is invoked with one argument: (value).

Note: This method mutates object.

Since

5.3.0

Example

const object = { 'a': [{ 'b': { 'c': 3 } }] }

update(object, 'a[0].b.c', n => n * n)
console.log(object.a[0].b.c)
// => 9

update(object, 'x[0].y.z', n => n ? n + 1 : 0)
console.log(object.x[0].y.z)
// => 0
Copy