how to change object property value in javascript

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Sophia
05 Aug 2016
1var data = {
2    'PropertyA': 1,
3    'PropertyB': 2,
4    'PropertyC': 3
5};
6
7data["PropertyD"] = 4;
8
9// dialog box with 4 in it
10alert(data.PropertyD);
11alert(data["PropertyD"]);
source
Izia
30 Mar 2020
1
2var myDog = {
3  "name": "Coder",
4  "legs": 4,
5  "tails": 1,
6  "friends": ["freeCodeCamp Campers"]
7};
8
9// Update the name value
10myDog.name = "Happy Coder";
source
Sara
15 Sep 2018
1myObject.sProp = 'A new string value for our original string property';
2
source
Jennette
26 Oct 2020
1$.extend(true, skillet.person, {
2  name: {
3    first: 'updated'
4  },
5  birthday: {
6    day: 'updated',
7    year: 'updated'
8  }
9});
10
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