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¿Cuál es la razón/beneficio de escribir condicional de cortocircuito?

Estuve buscando mucho sobre cortocircuito, pero tengo una gran duda con este código.

 const getClient = (userInfoContext) => { const context = userInfoContext && userInfoContext.get() const payload = context && context.payload && context.payload['www.payload.com'] return payload && payload.clientId }

Quiero saber cuál es el beneficio de escribir el código así en lugar de:

 const getClient = (userInfoContext) => { const context = userInfoContext.get() const payload = context.payload['www.payload.com'] return payload.clientId }
about 4 years ago · Juan Pablo Isaza
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