please someone can help me what's the out put of this function

Question

function test（n）{

while（n <5）{
n++;
} return n;
}
alert（test（2））;

Answer 1

// this code was copied with hidden special characters
function test(n){
while(n<5){
n++;
}
return n;
}
alert(test(2));

Answer 2

With what you need help? Can you please describe more what you try to do with code you posted.
This code looks just fine.

Answer 3

Just run it in Code Playground and you will see