Question

Ok, so I have this simple code :

for(var i=0; i<lines.length; i++) {
    elements += myFunction(lines[i]);
}

Where elements is an empty array at the start and myFunction() is just a function that returns an array of strings.

The problem is that if myFunction() returns an array with a single string, the += is interpreted as a string concat in place of an array concat.
At the end of the loop the result is just a long string and not an array.

I tried push()ing the values in place of concatenation, but this just gives me a two dimensional matrix with single item arrays.

How can I solve this typecasting problem ? Thank you in advance !

Answer 1

Try :

 for(var i=0; i<lines.length; i++) {
        elements [i] = myFunction(lines[i]);
    }

I suppose it solves the problem.