'Length' Property Undefined while iterating Array

Question

Iterating an array to find the longest string. Each time I\'ve received the error Cannot read property length of undefined. Console.log tells me th

Answer 1

The problem is the bounds of your iteration

for (i=0; i<=arrayL; i++) {

Note that you are going to be looking for array[array.length] doing this and that will always be undefined because the 10th item in an array of 10 items is [9], [10] is undefined.

Also, please use var here

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