Getting the last element from a JSON array in a Handlebars template

Question

So, I found that array elements can be accessed in Handlebars using:

{{myArray.2.nestedObject}} and {{myArray.0.nestedObject}}

..to get the

Answer 1

Should work, I've tested it.

Template:

{{last foo}}

Data:

{foo : [1,2,3,4,5,6]}

Helper:

Handlebars.registerHelper("last", function(array) {
  return array[array.length-1];
});

Answer 2

The above piece of code works fine in all the cases. But if the array passed if a null array, possibility of the handlebar function throwing error is there. Instead perform a null check and then return the value accordingly.