Swap keys and values in dictionary with underscore

Question

Lets say we have a dictionary with unique values:

{ a: 1, b: 2 }

and we would like to swap keys and values like:

{ 1: 'a', 2: 'b' }

how to do it with underscore?

Answer 1

In underscore.js there is method _.invert

console.log(_.invert({ a: 1, b: 2 }))

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