Can you explain the key distinction between
const json_response = pm.response.json()
and
json_response = JSON.parse(responseBody)
Can you explain the key distinction between
const json_response = pm.response.json()
and
json_response = JSON.parse(responseBody)
When working in the Postman sandbox environment, both JSON.parse(responseBody) and pm.response.json() perform identical functions.
The pm.* API was not always available in the tool and was later added to streamline various user actions, such as accessing response bodies.
Previously, users relied on JSON.parse(responseBody) within the sandbox to retrieve this information.
You can find a complete list of pm.* API methods in the application itself, which offers an auto-suggestion feature when you begin typing pm.
If I were to offer a suggestion, I would recommend utilizing the pm.response.json() method within the app.
Just like Danny Dainton mentioned earlier, using JSON.parse(responseBody) and
pm.response.json() achieves the same outcome - returning the response body
of your API request as a JSON-formatted string.
Regarding the absence of a const declaration in the second statement. - If you
have both statements in the same file, it is indeed correct to omit the
const declaration in the second statement.
(Otherwise, a syntax error will occur:
Identifier 'json_response' has already been declaredHowever, since both statements serve the same purpose, having them together in the same script is redundant. If they are not in the same script, a declaration is required for both the first and second statement.
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