[In case you don't know, in ECMAScript/JavaScript, variables declared with var have global or function-level scope, and variables declared with let have block-level scope.] Lately all the code ...

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 ...