What is`obj.hello` value after executing these few lines of code? ```javascript var obj = { hello: 'Hello' }, hello = 'Hello'; obj[hello] += ','; obj.hello += ' world'; obj['hello'] += '!'; ```

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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 2232 times

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