View methods of Node.js String.prototype?

Question

In the Node.js REPL, if you type String.prototype, an empty object: {} is returned. But if you type it in the Chrome JavaScript console, an object is returned with the expected function names and functions.

Why doesn't Node.js exhibit this behavior? How can I access the native String functions in Node.js?

Community · Accepted Answer · 2020-06-20 09:12:55Z

4

According to the IRC users on FreeNode/#node.js

BennyLava: Object.getOwnPropertyNames(String.prototype)

jmar777: because in the REPL you basically get the result of calling toString() on the result, whereas the chrome console has some fancy interactive display of objects

BennyLava: they're just not enumerable

So the answer is Object.getOwnPropertyNames(String.prototype).

edited Jun 20, 2020 at 9:12

CommunityBot

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answered Sep 21, 2012 at 19:10

JP Richardson

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3 Comments

pimvdb Over a year ago

Really? Logging an object works fine - you don't get [object Object] as a string.

JP Richardson Over a year ago

@pimvdb Oh, regarding the jmar777 comment? Ya, I think it has to do with the fact that they're not enumerable, and that's why they don't show up.

josh3736 Over a year ago

@pimvdb: That's because console.log doesn't just print the argument's toString.

josh3736 · Accepted Answer · 2012-09-21 19:21:40Z

0

You could use node-inspector to get the Inspector experience for Node.

node-inspector

answered Sep 21, 2012 at 19:21

josh3736

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