===================
non-checked-with-value
===================
2
value1
value2
value = ''
value = ''
===================
checked-with-value
===================
2
value3
value4
value = 'value3'
value = 'value3'
===================
checked-no-value
===================
2
on
on
value = 'on'
value = 'on'
===================
no-radio-button
===================
2
value1
value2
value = ''
value = ''
===================
non-checked-with-value
===================
value = 
value = value1
===================
non-checked-no-value
===================
value = 
value = on
===================
non-checked-value-on
===================
value = 
value = on