JavaScript添加随滚动条滚动窗体的方法
本文实例讲述了JavaScript中添加随滚动条滚动窗体的方法。分享给大家供大家参考,具体如下:
两种实现方式:
第一种:
<scripttype=/"text/javascript/"> functionscrollImg(){ varposX,posY; if(window.innerHeight){ posX=window.pageXOffset; posY=window.pageYOffset; } elseif(document.documentElement&&document.documentElement.scrollTop){ posX=document.documentElement.scrollLeft; posY=document.documentElement.scrollTop; } elseif(document.body){ posX=document.body.scrollLeft; posY=document.body.scrollTop; } varad=document.getElementById(/"ad/"); ad.style.top=(posY+500)+/"px/"; //ad.style.left=(posX+500)+/"px/"; ad.style.left=/"90%/"; setTimeout(/"scrollImg()/",100); } </script> <divid=/"ad/"style=/"position:absolute;background:#606060;width:100px;height:100px;border:1pxdotted#000;line-height:100px;text-align:center;left:103px;top:911px;/">此广告位招租</div> <scripttype=/"text/javascript/"> scrollImg(); </script>
第二种:
<html> <head> <metahttp-equiv=/"Content-Type/"content=/"text/html;charset=gb2312/"> <title>DragandDropexample</title> <scriptlanguage=/"javascript/"> functionpicsize(obj,MaxWidth){ img=newImage(); img.src=obj.src; if(img.width>MaxWidth) { returnMaxWidth; } else { returnimg.width; } } functionCloseQQ() { divStayTopleft.style.display=/"none/"; returntrue; } varonline=newArray(); </script> </head> <body> <divid=/"divStay/"style=/"position:absolute/"> <tablecellspacing=/"0/"cellpadding=/"0/"width=/"100%/"border=/"0/"> <tbody> <tr> <tdvalign=/"top/"width=/"7%/"> </td> </tr> </tbody> </table> </div> <divid=/"divStayTopleft/"style=/"position:absolute/"> <tablecellspacing=/"0/"cellpadding=/"0/"width=/"109/"border=/"0/"> <tr> <tdcolspan=/"3/"> <aonclick=/"CloseQQ()/"href=/"javascript:;/"shape=/"circle/"coords=/"91,16,12/"> <imgheight=/"34/"src=/"images/qq_top.gif/"width=/"109/"usemap=/"#Map/" border=/"0/"></a></td> </tr> <tr> <tdwidth=/"6/"> <imgheight=/"100/"src=/"images/qq_life.gif/"width=/"6/"></td> <tdvalign=/"top/"width=/"96/"background=/"sto/qq_bg.gif/"> <tablecellspacing=/"0/"cellpadding=/"0/"width=/"90/"align=/"center/"border=/"0/"> <tr> <tdheight=/"30/"> <tablecellspacing=/"0/"cellpadding=/"0/"width=/"90/"border=/"0/"> <tr> <td> <imgheight=/"13/"src=/"images/qq_ico1.gif/"width=/"16/"><span class=/"font_12/"><spanstyle=/"font-size:9pt/">客户服务</span></span></td> </tr> </table> </td> </tr> <tr> <td> <tableborder=/"0/"width=/"100%/"cellpadding=/"2/"id=/"table47/"> <tr> <tdwidth=/"15/"valign=/"top/"height=/"23/"> <imgborder=/"0/"src=/"images/qq_v01.gif/"width=/"16/"height=/"16/"></td> <tdvalign=/"bottom/"> <script>document.write(/"<atarget=blankhref=tencent://message/?uin=178010108&Site=毛票票&Menu=yes><imgborder=0SRC=http://wpa.qq.com/pa?p=1:615050000:10alt=[毛票票]></a>/");</script> </td> </tr> </table> </td> </tr> <tr> <td> </td> </tr> <tr> <td> <tableborder=/"0/"width=/"100%/"cellpadding=/"2/"id=/"table1/"> <tr> <tdwidth=/"15/"valign=/"top/"height=/"23/"> <imgborder=/"0/"src=/"images/qq_n01.gif/"width=/"16/"height=/"16/"></td> <tdvalign=/"bottom/"> <script>document.write(/"<atarget=blankhref=tencent://message/?uin=251922268&Site=网页特效&Menu=yes><imgborder=0SRC=http://wpa.qq.com/pa?p=1:43486831:10alt=[QQQQQ]></a>/");</script> </td> </tr> </table> </td> </tr> <tr> <td> </td> </tr> </table> </td> <tdwidth=/"7/"> <imgheight=/"100/"src=/"images/qq_right.gif/"width=/"7/"></td> </tr> <tr> <tdcolspan=/"3/"> <imgheight=/"30/"src=/"images/qq_bottom1.gif/"width=/"109/"></td> </tr> <tr> <tdcolspan=/"3/"> <imgheight=/"33/"src=/"images/qq_logo.gif/"width=/"109/"></td> </tr> </table> </div> <scripttype=/"text/javascript/"> functionFloatTop() { varstartX1=document.body.offsetWidth-125,startY1=5; varstartX2=0,startY2=95; varns=(navigator.appName.indexOf(/"Netscape/")!=-1); vard=document; functionml(id,startX,startY) { varel=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id]; if(d.layers)el.style=el; el.sP=function(x,y){this.style.left=x;this.style.top=y;}; el.x=startX; el.y=startY; returnel; } window.stayTopLeft=function() { varpY=ns?pageYOffset:document.body.scrollTop; ftlObj.y+=(pY+startY1-ftlObj.y)/8; ftlObj1.y+=(pY+startY2-ftlObj1.y)/8; ftlObj.sP(document.body.scrollLeft+document.body.offsetWidth-125,ftlObj.y); ftlObj1.sP(ftlObj1.x,ftlObj1.y); setTimeout(/"stayTopLeft()/",30); } //ftlObj=ml(/"divStay/",document.body.scrollLeft+document.body.offsetWidth-125,0); //ftlObj1=ml(/"divStayTopLeft/",0,30); ftlObj=ml(/"divStay/",(document.body.scrollLeft+document.body.offsetWidth)/2+379,0); ftlObj1=ml(/"divStayTopLeft/",(document.body.scrollLeft+document.body.offsetWidth)/2+379,30); stayTopLeft(); } FloatTop(); </script> </body> </html>
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希望本文所述对大家JavaScript程序设计有所帮助。