Concatenate string through for loop

Question

I\'m trying to concatenate strings via for loop but i\'m receiving NaNs. What i want to achieve is to get one concatenated string Div #0, Div

Answer 1

Don't declare a new str variable inside the loop with var str. Reuse the one you declare outside the loop. Also do +=

var divLength = $('div').length;

var str = '';
for(var i=0; i