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666,413 software engineer principal interview questions shared by candidates

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
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Senior UI Developer

Interviewed at ValueLabs

4★
Feb 16, 2018

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

puzzle two wires of diff dimensions have been given. both of them gets completely combusted in 1 hour. you are in a pitch dark room with such two wires and a box of matches. you have to come out of the room in 45 minutes. [you cannot count seconds in your mind or else you cannot visually determine the halfway of the wires given neither do you have anything else other than a box of matches and those 2 wires]
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Software Engineer Trainee

Interviewed at Cognizant

3.1★
Sep 11, 2016

puzzle two wires of diff dimensions have been given. both of them gets completely combusted in 1 hour. you are in a pitch dark room with such two wires and a box of matches. you have to come out of the room in 45 minutes. [you cannot count seconds in your mind or else you cannot visually determine the halfway of the wires given neither do you have anything else other than a box of matches and those 2 wires]

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