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).
set
updater
updateWith
path
Note: This method mutates object.
object
The object to modify.
The path of the property to set.
Optional
The function to produce the updated value.
Returns object.
5.3.0
const object = { 'a': [{ 'b': { 'c': 3 } }] }update(object, 'a[0].b.c', n => n * n)console.log(object.a[0].b.c)// => 9update(object, 'x[0].y.z', n => n ? n + 1 : 0)console.log(object.x[0].y.z)// => 0 Copy
const object = { 'a': [{ 'b': { 'c': 3 } }] }update(object, 'a[0].b.c', n => n * n)console.log(object.a[0].b.c)// => 9update(object, 'x[0].y.z', n => n ? n + 1 : 0)console.log(object.x[0].y.z)// => 0
This method is like
setexcept that it acceptsupdaterto produce the value to set. UseupdateWithto customizepathcreation. Theupdateris invoked with one argument: (value).Note: This method mutates
object.