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re: Syntactical Overkill in JavaScript VIEW POST

FULL DISCUSSION
 

Nice article!

Quick tip: In your pre-ES2015 callApi() example, token and type would have to be defined above the function call, to be equivalent to the first version.
Otherwise they exist only inside your callback. ;)

e.g.:

var token
var type

callApi(function(response) {
  token = response.token;
  type = response.type;
})
 

The thing is that you can't use token and type in the body of the caller of callApi bc you don't know if the callback was called and it's side-effects were produced.

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