Aptitude | JavaScript Course Quiz 3 | Question 5

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What will be the output of the following code? JavaScript 
<script>
let bar  = 1;
foo = {};
foo: {
     bar : 2;
     baz : ++bar;
};
document.write(foo.baz + foo.bar + bar);
</script>
NaN
5
4
1

This question is part of this quiz :

JavaScript Course | Practice Quiz-3
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Aptitude
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