Output Q5: for(var i=0;i<3;i++){ → 3 3 3

Question

What will be the output?

for(var i=0;i<3;i++){

setTimeout(()=>console.log(i),0)
}

Answer

Output: 3 3 3

var has function scope, so all callbacks share the same variable reference.

Key Points

This question tests your understanding of JavaScript internals and execution behavior. Interviewers often ask similar variations to evaluate debugging and reasoning skills.