javascript取文档高宽

浏览器分辨率1280X1024

(*)代表可随浏览器大小而变动

javascript 在body前后都可以

                                                                                                                   IE6                        IE8              FIREFOX

window.screen.widthXHeight                                                        1280X1024      1280X1024      1280X1024     

windwo.screen.availWidthXavailHeight                                      1280X996         1280X996        1280X996

document.documentElement.offsetWidthXoffsetHeight           1280*X883*      1280*X843       1280*X0(body前)/1280*X58(body后)

 

body之后

document.body.clientWidthXclientHeight                                    1240*X43          1260*X41        1264*X42

document.body.scrollWidthXscrollHeight                                    同上                     同上                  同上

document.body.offsetWidthXoffsetHeight                                    同上                     同上                  同上