漂浮广告代码--Js演示实例
分享一个js漂浮广告代码,Js演示版。
漂浮广告专用的代码,复制到网页中即可使用,具体参考如下的例子。
<html> <head> <title>漂浮广告代码</title> </head> <body> <div id="img" style="position:absolute;z-index=99;"> <img src="/jscss/demoimg/logo_demo1.gif" onClick="pause_resume();" border="0" alt=‘img‘ width=100 height="100"> </div> <SCRIPT LANGUAGE="JavaScript"> <!-- Begin var xPos = document.body.offsetWidth; var yPos = document.body.clientHeight/2; var step = 1; var delay = 50; var height = 0; var Hoffset = 0; var Woffset = 0; var yon = 0; var xon = 0; var pause = true; var interval; img.style.top = yPos; alert(xPos) function changePos() { width = document.body.clientWidth; height = document.body.clientHeight; Hoffset = img.offsetHeight; Woffset = img.offsetWidth; img.style.left = xPos + document.body.scrollLeft; img.style.top = yPos + document.body.scrollTop; if (yon) { yPos = yPos + step; }else { yPos = yPos - step; } if (yPos < 0) { yon = 1; yPos = 0; } if (yPos >= (height - Hoffset)) { yon = 0; yPos = (height - Hoffset); } if (xon) { xPos = xPos + step; }else { xPos = xPos - step; } if (xPos < 0) { xon = 1; xPos = 0; } if (xPos >= (width - Woffset)) { xon = 0; xPos = (width - Woffset); } } function start() { img.visibility = "visible"; interval = setInterval(‘changePos()‘, delay); } function pause_resume() { if(pause) { clearInterval(interval); pause = false; }else { interval = setInterval(‘changePos()‘,delay); pause = true; } } start(); // End --> </script> </body> </html>
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