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