How to Use Dynamic Keys in JavaScript Object

How to set dynamic property keys in JavaScript? JavaScript objects have properties. Object properties have key, value pairs. If you want to change a key in javascript object dynamically, how can you do that in javascript?

To turn a key into a dynamic key for object property, declare a variable before object and store key name in it as its value. This variable will hold the key name that will be used in object as key. Now if you change variable value, It will be reflected in object’s output.

This is because we can use a variable as property key in javascript objects. So this is how we can use dynamic property key in objects using javascript.

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