js点击弹出层代码，js弹出可关闭的遮罩层

发布时间：2018-10-21 19:18:29 所属栏目：活动来源：站长网

导读：js点击弹出层代码，js弹出可关闭的遮罩层！点击文字即可弹出一个可以关闭的弹出层，相对来说，这款弹出层并不是太复杂，对于修改的话，也是挺方便的。示例： titleJs弹出层，新写的代码/titlescript type=text/javascriptvar docEle = function(){return

　　js点击弹出层代码，js弹出可关闭的遮罩层！点击文字即可弹出一个可以关闭的弹出层，相对来说，这款弹出层并不是太复杂，对于修改的话，也是挺方便的。

　　示例：

<title>Js弹出层，新写的代码</title> <script type="text/javascript"> var docEle = function() { return document.getElementById(arguments[0]) || false; } function openNewDiv(_id) { var m = "mask"; if (docEle(_id)) document.body.removeChild(docEle(_id)); if (docEle(m)) document.body.removeChild(docEle(m)); //Download by http://www.liehuo.net //mask遮罩层 var newMask = document.createElement("div"); newMask.id = m; newMask.style.position = "absolute"; newMask.style.zIndex = "1"; _scrollWidth = Math.max(document.body.scrollWidth,document.documentElement.scrollWidth-100); _scrollHeight = Math.max(document.body.scrollHeight,document.documentElement.scrollHeight-15); newMask.style.width = _scrollWidth + "px"; newMask.style.height = _scrollHeight + "px"; newMask.style.top = "0px"; newMask.style.left = "0px"; newMask.style.background = "#33393C"; newMask.style.filter = "alpha(opacity=40)"; newMask.style.opacity = "0.40"; document.body.appendChild(newMask); //弹出层 var newDiv = document.createElement("div"); newDiv.id = _id; newDiv.style.position = "absolute"; newDiv.style.zIndex = "9999"; newDivWidth = 400; newDivHeight = 200; newDiv.style.width = newDivWidth + "px"; newDiv.style.height = newDivHeight + "px"; newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2) + "px"; newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2) + "px"; newDiv.style.background = "#EFEFEF"; newDiv.style.border = "1px solid #860001"; newDiv.style.padding = "5px"; newDiv.innerHTML = "弹出层内容 <br/>"; document.body.appendChild(newDiv); //弹出层滚动居中 function newDivCenter() { newDiv.style.top = (document.body.scrollTop + document.body.clientHeight/2 - newDivHeight/2-50) + "px"; newDiv.style.left = (document.body.scrollLeft + document.body.clientWidth/2 - newDivWidth/2-50) + "px"; } if(document.all) { window.attachEvent("onscroll",newDivCenter); } else { window.addEventListener('scroll',newDivCenter,false); } //关闭新图层和mask遮罩层 var newA = document.createElement("a"); newA.href = "#"; newA.innerHTML = "关闭"; newA.onclick = function() { if(document.all) { window.detachEvent("onscroll",newDivCenter); } else { window.removeEventListener('scroll',newDivCenter,false); } document.body.removeChild(docEle(_id)); document.body.removeChild(docEle(m)); return false; } newDiv.appendChild(newA); } </script> <body> <a onclick="openNewDiv('newDiv');return false;" style="cursor:pointer">点此弹出层</a> <br /> </body><br /><center>如不能显示效果，请按Ctrl+F5刷新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
提示：可修改后代码再运行!

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