Question from the Javascript test

What is the value of `obj.hello` after executing these few lines of code?

Hard

What isobj.hello value after executing these few lines of code?

var obj = { hello: 'Hello' }, hello = 'Hello';
obj[hello] += ',';
obj.hello += ' world';
obj['hello'] += '!';

Author: Jean-marie CléryStatus: PublishedQuestion passed 1999 times

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Auteur anonyme

14/02/2022

outputs ' Helloworld!' in the console

Auteur anonyme

21/02/2022

Hello there. It seems to be an issue with the english translation. Thank you for the reporting. I fix it !

Auteur anonyme

10/03/2023

I tested the code here and it actually logs "Hello world!". The line `obj[hello] += ','` is useless tho.

Auteur anonyme

05/10/2023

I think it is the purpose of the test