if div is visible hide if not showing in jquery code example

Example 1: jquery see if element is visible

.is(':visible')
//Selects all elements that are visible.

if($('#yourDiv').is(':visible')){
	//do stuff in here
}
//or
$('#yourDiv:visible').callYourFunction();

Example 2: jquery if is visible

$('.eipC:visible').length 

//or

$('.eipC').is(':visible').length