I'm writing a Javascript to validate a form. The form is created dynamically and has a grid of dropdown menus, in a square.(3x3 or 5x5, for now) I want to create a loop that will go through each ...

If the first text box contains "1" and the second text box contains "2," JavaScript appends those two values instead of adding them, and stores "12" in the "z" variable. Prevent this from ...