web 자주사용하는 태그들

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<c:set var = "root" value="${pageContext.request.contextPath}"></c:set>

function viewList(){
	$.ajax({
			url:'${root}/book/',  
			type:'GET',
			contentType:'application/json;charset=utf-8',
			dataType:'json',
			data : params,
			success:function(data) {
				makeList(data);
			},
			error:function(xhr,status,msg){
				console.log("상태값 : " + status + " Http에러메시지 : "+msg);
			}
		});
}