How could I manipulate this array in Javascript for this kind of error checking?

Question

How can I make Javascript check an array and make sure that there\'s no error committed after the comma separating each element of the array .. For example a user may form an ar

Answer 1

Your second cars example with the * in it won't compile.

To check for double commas, you can iterate over the array and check for an undefined value.

for(var i = 0; i

Alternatively you could try and catch this before you generate the array. Is there a way to check for an empty row inputted by the user?