Document.body.clientWidth//Web page visible area width
Document.body.clientHeight//Web page visible area height
Document.body.offsetWidth//Web page visible area includes the width of the edge
Document.body.offsetHeight//Web space area includes the height of the edge
Document.body.scrollWeight//page body Full text width
Document.body.scrollHeight//page body Full text height
Document.body.scrollTop//page is rolled away high
Document.body.scrollLeft//page is rolled to the left
Window.screentop//Page body part
window.screenleft//page body part left
Window.screen.
Height//Screen Resolution
Window.screen.Width//width of screen resolution
Window.screen.availHeight//The height of the available work area on the screen
Window.screen.availWidth//width of the available work area on the screen
JavaScript gets the document/Screen width| | Height