Live demo

[select name="select_1" value="Hide" label="Show/Hide Single Field"]
Hide
Show
[/select]
[show_if condition="select_1 == Show" delay="400"]
[text name="text_186" value="" label="Hi!"]
[/show_if]
[radio name="radio_1" value="Hide" label="Show/Hide Multiple Fields"]
Hide
Show
[/radio]
[show_if condition="radio_1 == Show" delay="400"]
[text name="text_855" value="" label="Hi!"]
[textarea name="textarea_851" value="" label="How are you?"]
[/show_if]
[check name="check_1" value="" label="Even works to show/hide custom elements" inline="no"]
Show Text 1
Show Text 2
Show Text 3
[/check]
[row]
	[column]
		[show_if condition="check_1 *= Show Text 1" delay="400"][b]Text 1[/b][/show_if]
	[/column]
	[column]
		[show_if condition="check_1 *= Show Text 2" delay="400"][i]Text 2[/i][/show_if]
	[/column]
	[column]
		[show_if condition="check_1 *= Show Text 3" delay="400"][s]Text 3[/s][/show_if]
	[/column]
[/row]