javascript用DIV模擬彈出窗口_窗體滾動跟隨

2019-11-21 01:39:02

字體：大中小

來源：轉載

供稿：網友

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN"> <head> <title>可滾動跟隨彈出框效果代碼――武林網</title> <script> function getPosition() { var top = document.documentElement.scrollTop; var left = document.documentElement.scrollLeft; var height = document.documentElement.clientHeight; var width = document.documentElement.clientWidth; return {top:top,left:left,height:height,width:width}; } function showPop(){ var width = 300; //彈出框的寬度 var height = 160; //彈出框的高度 var obj = document.getElementById("pop"); obj.style.display = "block"; obj.style.position = "absolute"; obj.style.zindex = "999"; obj.style.width = width + "px"; obj.style.height = height + "px"; var Position = getPosition(); leftadd = (Position.width-width)/2; topadd = (Position.height-height)/2; obj.style.top = (Position.top + topadd) + "px"; obj.style.left = (Position.left + leftadd) + "px"; window.onscroll = function (){ var Position = getPosition(); obj.style.top = (Position.top + topadd) +"px"; obj.style.left = (Position.left + leftadd) +"px"; }; } function hidePop(){ document.getElementById("pop").style.display = "none"; } </script> </head> <body> 作者：丁學－－滾動跟隨 <div class="iwvjtn8m0" id="pop" style="border:1px solid #CCC;display:none;">test <a href="javascript:hidePop();" href="javascript:hidePop();">hide</a></div> <a href="javascript:showPop()" href="javascript:showPop()">show</a> </body> </html>

[Ctrl+A 全選注:如需引入外部Js需刷新才能執行]

上一篇：Javascript多種瀏覽器兼容寫法分析第1/3頁

下一篇：一個簡單但常用的javascript表格樣式_鼠標劃過行變色簡潔實現