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dev P 2882 days ago

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 Solve this - iii
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Posted on 06-21-16 11:13 AM     Reply [Subscribe]
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What will the console output be and why?

(function(x) {
    return (function(y) {
        console.log(x);
    })(2)
})(1);
Last edited: 21-Jun-16 11:17 AM
 
Posted on 06-21-16 1:07 PM     [Snapshot: 60]     Reply [Subscribe]
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Its easy bro, output is 1. Its because you have passed 1 as argument in closure, 'x' will have value 1. As in Javacript inner function has access to its parent function variables, so value of x inside inner function will stay 1. Its easy(not tricky) because variable value has not been overidden as you are using 'y' as argument in inner function.

 

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