I have the code where i am doing select from one and on the basis of that, it will load a second select, but i am getting errors, once such error is:
if (document.forms[0].TwoSelectsRelated1.options[menuNum].value == '') return;
Error is:
Uncaught TypeError: Cannot read properties of undefined (reading 'options')
and this is my complete javascript, i am doing a 3 related selects here