_.update(object, path, updater)
This method is like _.set except that 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
4.6.0
Arguments
-
object(Object): The object to modify. -
path(Array|string): The path of the property to set. -
updater(Function): The function to produce the updated value.
Returns
(Object): Returns object.
Example
1 2 3 4 5 6 7 8 9 10 11 | var object = { 'a': [{ 'b': { 'c': 3 } }] }; _.update(object, 'a[0].b.c', function(n) { return n * n; });console.log(object.a[0].b.c);// => 9 _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });console.log(object.x[0].y.z);// => 0 |
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