javascript 윈도우 가운데 띄우기

javascript 윈도우 가운데 띄우기

var winTop = -1;
 var winLeft = -1;
 var winWidth = 500;
 var winHeight = 500;
 
 if (winWidth < 1) {
  winWidth = 500;
 }
 if (winHeight < 1) {
  winHeight = 500;
 }
 
 if (winTop < 0) {
  winTop = Math.ceil((window.screen.height – winHeight)/2);
 }
 if (winLeft < 0) {
  winLeft = Math.ceil((window.screen.width – winWidth)/2);
 }
 
 var requestUrl = “타겟파일주소.jsp”;
 
 var sizeSpec = “top=” + winTop + “,left=” + winLeft + “,width=” + winWidth + “,height=” + winHeight;
 var etcSpec = “location=no,titlebar=no,scrollbars=no,toolbar=no,status=no,menubar=no,resizable=no”;
 
 window.open(requestUrl, “_blank”, sizeSpec + “,” + etcSpec);