[JavaScript] document 높이값 가져오기.

document 의 높이값 가져오기.

  var B = document.body;

var H = document.documentElement;

var height;

if (typeof document.height !== 'undefined') {

height = document.height; // For webkit browsers

} else {

height = Math.max( B.scrollHeight, B.offsetHeight, H.clientHeight, H.scrollHeight, H.offsetHeight );

}