copy an object with object assign

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showing results for - "copy an object with object assign"

26 Jul 2016

1// We want to update status property value to 'online'
2const data = {
3  user: 'CamperBot',
4  status: 'offline',
5  friends: '732,982',
6};
7
8// Object.assign takes in a target object (1st parameter) and source objects 
9// (rest of the parameter list). Source object properties are mapped to the 
10// target object (which is usually empty). Any matching properties are 
11// overwritten by the source objects
12const newObject = Object.assign({}, data, {status: 'online'})
13
14console.log(newObject)
15/* 
16  {
17    user: 'CamperBot',
18    status: 'online',
19    friends: '732,982',
20  }
21*/

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