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JavaScript - add dynamically named properties to object

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Created by:
James-Z
367

In this article, we would like to show you how to add dynamically named properties to an object in JavaScript.

Quick solution:

var myObject = {
    'property1': 1,
    'property2': 2
};

myObject["property3"] = 3;  // add third property to object

 

Practical example

In this example, we add a third property to myObject.

// ONLINE-RUNNER:browser;

var myObject = {
    'property1': 1,
    'property2': 2
};

myObject["property3"] = 3;

console.log(myObject.property3);     // 3
console.log(myObject["property3"]);  // 3
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