Started writing some modified quiz questions to improve my skill, having a spot of bother with this one.

Question

This is a slightly modified question from one of the javascript quizzes, I don't want to be giving the answers away.

what will the function ('help') return?

function func(str){

var len = str.length;

for(var i = 0; i < (len/2);i++)
{
if (str[i] !== str[len -1 -i])
return true;
}
return false;

I've written it on some paper and tried to follow the loop through, when I was still having trouble I copied it to JS editor. I didn't get any return when I put it into the JS editor, I tried changing the function to

func(str = 'help')

and also added a 'document.write' after the 'var len = str.length;'

but still haven't recieved anything in my console to help me run through this loop.

Thanks in advance.

Answer 1

This should give you output:

function func(str){

var len = str.length;

for(var i = 0; i < (len/2);i++)
{
if (str[i] !== str[len -1 -i])
return true;
}
return false;
}

console.log(func("help"));

On your question, you missed the closing curly bracket on your func definition.

Answer 2

Fantastic, got it all sorted now.