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TypeScript: using dynamic properties

Although I really like static typing and the other great features that TypeScript brings to JavaScript, sometimes I just want to profit from the dynamic nature of JavaScript.

I had a JavaScript/TypeScript object where I wanted to set a property value:

In TypeScript, this generates an error:

The property 'prop' does not exist on value of type '{}'

image

To fix it, I had to add a type annotation:

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