The visible area of the page width: document.body.clientWidth
Highly visible page area: document.body.clientHeight
Page wide visible region: document.body.offsetWidth (including edge width)
High visible area page: document.body.offsetHeight (including edge width)
Full body of the page width: document.body.scrollWidth
Body of the page GAO: document.body.scrollHeight
Page volume to be high: document.body.scrollTop
Web is rolled to the left: document.body.scrollLeft
On the body of the page: window.screenTop
The body of the page left: window.screenLeft
High screen resolution: window.screen.height
Wide screen resolution: window.screen.width
Screen available work area height: window.screen.availHeight
Available Workspace screen width: window.screen.availWidth
HTML precise positioning: scrollLeft, scrollWidth, clientWidth, offsetWidth
scrollHeight: get rolling height of the object.
Gets or sets the distance between the object located in the left and the contents of the window currently visible leftmost: scrollLeft
scrollTop: Set or get the distance between the object located in the top of the topmost visible in the window contents
scrollWidth: Get Object rolling width
offsetHeight: Get the object relative to the layout coordinates of the parent or
offsetParent property specifies the height of the parent coordinates
offsetLeft: Get the object relative to the layout or
Left coordinate position calculation parent attribute specified offsetParent
offsetTop: Get the top position of the object relative to the layout or calculate specified by the attribute of the parent coordinate offsetTop
Event.clientX relatively horizontal coordinate document
The vertical coordinate relative to the document event.clientY
The horizontal coordinate relative to the container event.offsetX
The vertical coordinate relative to the container event.offsetY
document.documentElement.scrollTop vertical scroll value
event.clientX + document.documentElement.scrollTop horizontal coordinate relative to the document in the vertical direction of the scroll amount +
IE，FireFox 差异如下：
IE6.0、FF1.06+：
clientWidth = width + padding
clientHeight = height + padding
offsetWidth = width + padding + border
offsetHeight = height + padding + border
IE5.0/5.5： clientWidth = width - border
clientHeight = height - border
offsetWidth = width
offsetHeight = height