What is the output of below program.
var a = [1,2,3,4]
for (var i=0; i

Question

What is the output of below program.  
var a = [1,2,3,4]
for (var i=0; i<a.length; i++){

setTimeout(function(){
console.log(i)
},1000)
}
( My Ans : it will print 4 5 times as it will store the latest reference)

Next They asked me : How can i print 1,2,3,4 by changing some code in above example

Anoniem · Accepted Answer

My Answer :

var a =[1,2,3,4]
for (var i=0; i

Lipak · Answer

Some Correction : It will print 4 times "4".

Fix: just use "let"(block scope) rather than "var"

It should be : console.log(a[i]) to print (1,2,3,4)

Aakash Arora · Answer

Yes, ofcourse, it'll print 4 times 4 (not 5 times).

Another way could be: using closure function.

var a = [1,2,3,4]
for (var i=0; i

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