scripts to check variable is empty or not

[TMKAM]

I have create 2 variable as per below

variable A = multiline text

variable B - attachment

the above variable is not set as mandatory field and I would like to create a on submit scripts to check base on the below scenario

Scenario 1

Variable A = empty

Variable B = empty meaning no attachment

the script should alert with message when requester press order now button

Scenario 2

Variable A = not empty

Variable B = empty meaning no attachment

the script is not alert with message and requester can press order now button

Scenario 3

Variable A = empty

Variable B = not empty meaning got attachment inside

the script is not alert with message and requester can press order now button

thank you

[Community Alums]

Hi,

Please add "alert(attachment)" below the line "var attachment = g_form.getValue("u_attach_option_feature_request");" then attach the file and submit to examine its value.