在我们的日常开发中，或者生活中，经常需要用到弹出窗。这里我们就用js模拟一下qq消息一样的弹出窗。
直接贴代码：
<!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"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk" /> <title> javaScript实现网页右下角弹出窗口代码</title> </head> <body> <script type="text/javascript"> var ShowMsg={ title:'提示', content:'模拟qq弹出框消息提醒', width:'300px', height:'100px', setTitle:function(value){ this.title=value; }, setContent:function(value){ this.content=value; }, getTitle:function(){ return this.title; }, getContent:function(){ return this.content; }, show:function(){ //弹窗div var _winPopDiv = document.createElement('div'); _winPopDiv.id="_winPopDiv"; _winPopDiv.style.cssText = 'width:300px; position:absolute; right:0; bottom:0; border:1px solid #666; margin:0; padding:1px; overflow:hidden; display:block;'; //消息标题div var _titleDiv= document.createElement('div'); _titleDiv.id="_titleDiv"; _titleDiv.innerHTML=this.getTitle(); _titleDiv.style.cssText = 'width:100%; height:22px; line-height:20px; background:#FFCC00; font-weight:bold; text-align:left; font-size:14px;'; _winPopDiv.appendChild(_titleDiv); //关闭消息按钮span var _closeSpan= document.createElement('span'); _closeSpan.id="_closeSpan"; _closeSpan.innerHTML="X"; _closeSpan.style.cssText = 'position:absolute; right:4px; top:-1px; color:#FFF; cursor:pointer;font-size:14px;'; _titleDiv.appendChild(_closeSpan); //内容div var _conDiv= document.createElement('div'); _conDiv.id="_conDiv"; _conDiv.style.cssText = 'width:100%; height:110px; line-height:80px; font-weight:bold; font-size:12px; color:#FF0000; text-decoration:underline; text-align:center;'; _conDiv.innerHTML=this.getContent(); _winPopDiv.appendChild(_conDiv); document.body.appendChild(_winPopDiv); //关闭span绑定事件 var closeDiv = document.getElementById("_closeSpan"); if(closeDiv.addEventListener){ closeDiv.addEventListener("click",function(e){ if (window.event != undefined) { window.event.cancelBubble = true; } else if (e.stopPropagation) { e.stopPropagation(); } document.getElementById('_winPopDiv').style.cssText="display:none;"; },false); }else if(closeDiv.attachEvent){ closeDiv.attachEvent("onclick",function(e){ if (window.event != undefined) { window.event.cancelBubble = true; } else if (e.stopPropagation) { e.stopPropagation(); } document.getElementById('_winPopDiv').style.cssText="display:none;"; }); } } }; ShowMsg.show(); </script> </body> </html>
这里使用在线HTML/CSS/JavaScript代码运行工具：，测试可得到如下运行效果：
更多关于JavaScript相关内容感兴趣的读者可查看本站专题：《JavaScript窗口操作与技巧汇总》、《JavaScript事件相关操作与技巧大全》、《JavaScript页面元素操作技巧总结》、《JavaScript操作DOM技巧总结》、《JavaScript错误与调试技巧总结》、《JavaScript数据结构与算法技巧总结》及《JavaScript数学运算用法总结》