If you enter invalid options in the inputs below you should see errors.

If you uncheck this checkbox, form validator will not enforce the next input.

these inputs will be required if the checkbox above is checked:
If you uncheck this checkbox, form validator will not enforce the next input.
This input cannot have spaces.
One item in this group must be selected (on submit).
One item in this group must also be selected (on submit).
This checkbox must be checked.
The date/time in the second input must be after the first.
The date/time in the second input must be after the first.
The fist input must be before the current date; the second must be after.
The first item in the select list should be invalid.
The dates you enter here must be in the same month.