2-3 filter(function(index))

sundries

2-3 filter(function(index))

스티브 2018. 1. 12. 19:39

 
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
<script src ="../js/jquery-3.2.1.js"></script>
</head>
<!--  기본 필터 메서드
		filter() : 문서 객체를 필터링합니다.
		형식) $(selector).filter(selector);
			$(selector).filter(function(){});
 -->
<script>	
	$(function(){
		$('h3').filter(function(index){
				return index % 3 == 0;// index가 3의 배수일 경우
			})
		.css({ backgroundColor:'orange',
						

color:'yellow'
			});
		});	

</script>
<body>
	<h3>Header-0</h3>
	<h3>Header-1</h3>
	<h3>Header-2</h3>
	<h3>Header-3</h3>
	<h3>Header-4</h3>
	<h3>Header-5</h3>
	<h3>Header-6</h3>

</body>
</html>