Lodash set method
语法
_.set(object, path, value)
Sets the value at path of object. If a portion of path doesn't exist, it's created. Arrays are created for missing index properties while objects are created for all other missing properties. Use _.setWith to customize path creation.
参数
object (Object) − The object to modify.
path (Array|string) − The path of the property to set.
value (*) − The value to set.
输出
(Object) − Returns object.
实例
var _ = require('lodash');
var object = { 'a': [{ 'b': { 'c': 3 } }] };
_.set(object, 'a[0].b.c', 4)
console.log(object.a[0].b.c);
Save the above program in
tester.js. Run the following command to execute this program.
Command
输出