js提示框，n秒后自动关闭，多用于简单的提示，无需人工参与，例如复制内容的时候提示复制成功或者后台提交信息的返回界面都可以用这个
JavaScript自动关闭窗口
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>JavaScript自动关闭窗口</title>
</head>
<body>
<input type="button" value="弹出alert框自动关闭" onClick="Alert('不点击确定三秒后自动关闭')">
<script>
//自动关闭提示框
function Alert(str) {
var msgw,msgh,bordercolor;
msgw=350;//提示窗口的宽度
msgh=80;//提示窗口的高度
titleheight=25 //提示窗口标题高度
bordercolor="#336699";//提示窗口的边框颜色
titlecolor="#99CCFF";//提示窗口的标题颜色
var sWidth,sHeight;
//获取当前窗口尺寸
sWidth = document.body.offsetWidth;
sHeight = document.body.offsetHeight;
// //背景div
var bgObj=document.createElement("div");
bgObj.setAttribute('id','alertbgDiv');
bgObj.style.position="absolute";
bgObj.style.top="0";
bgObj.style.background="#E8E8E8";
bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
bgObj.style.opacity="0.6";
bgObj.style.left="0";
bgObj.style.width = sWidth + "px";
bgObj.style.height = sHeight + "px";
bgObj.style.zIndex = "10000";
document.body.appendChild(bgObj);
//创建提示窗口的div
var msgObj = document.createElement("div")
msgObj.setAttribute("id","alertmsgDiv");
msgObj.setAttribute("align","center");
msgObj.style.background="white";
msgObj.style.border="1px solid " + bordercolor;
msgObj.style.position = "absolute";
msgObj.style.left = "50%";
msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
//窗口距离左侧和顶端的距离
msgObj.style.marginLeft = "-225px";
//窗口被卷去的高+（屏幕可用工作区高/2）-150
msgObj.style.top = document.body.scrollTop+(window.screen.availHeight/2)-150 +"px";
msgObj.style.width = msgw + "px";
msgObj.style.height = msgh + "px";
msgObj.style.textAlign = "center";
msgObj.style.lineHeight ="25px";
msgObj.style.zIndex = "10001";
document.body.appendChild(msgObj);
//提示信息标题
var title=document.createElement("h4");
title.setAttribute("id","alertmsgTitle");
title.setAttribute("align","left");
title.style.margin="0";
title.style.padding="3px";
title.style.background = bordercolor;
title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
title.style.opacity="0.75";
title.style.border="1px solid " + bordercolor;
title.style.height="18px";
title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
title.style.color="white";
title.innerHTML="提示信息";
document.getElementById("alertmsgDiv").appendChild(title);
//提示信息
var txt = document.createElement("p");
txt.setAttribute("id","msgTxt");
txt.style.margin="16px 0";
txt.innerHTML = str;
document.getElementById("alertmsgDiv").appendChild(txt);
//设置关闭时间
window.setTimeout("closewin()",2000);
}
function closewin() {
document.body.removeChild(document.getElementById("alertbgDiv"));
document.getElementById("alertmsgDiv").removeChild(document.getElementById("alertmsgTitle"));
document.body.removeChild(document.getElementById("alertmsgDiv"));
}
</script>
</body>
</html> 弹出提示框，手动关闭
<html>
<head>
<title>JavaScript自动关闭窗口</title>
<meta http-equiv="content-Type" content="text/html;charset=gb2312">
</head>
<body>
<script>
function sAlert(strTitle,strContent){
var msgw,msgh,bordercolor;
msgw=300;//提示窗口的宽度
msgh=100;//提示窗口的高度
titleheight=25 //提示窗口标题高度
bordercolor="#336699";//提示窗口的边框颜色
titlecolor="#99CCFF";//提示窗口的标题颜色
var sWidth,sHeight;
sWidth=document.body.offsetWidth;
sHeight=screen.height;
var bgObj=document.createElement("div");
bgObj.setAttribute('id','bgDiv');
bgObj.style.position="absolute";
bgObj.style.top="0";
bgObj.style.background="#777";
bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
bgObj.style.opacity="0.6";
bgObj.style.left="0";
bgObj.style.width=sWidth + "px";
bgObj.style.height=sHeight + "px";
bgObj.style.zIndex = "10000";
document.body.appendChild(bgObj);
var msgObj=document.createElement("div")
msgObj.setAttribute("id","msgDiv");
msgObj.setAttribute("align","center");
msgObj.style.background="white";
msgObj.style.border="1px solid " + bordercolor;
msgObj.style.position = "absolute";
msgObj.style.left = "50%";
msgObj.style.top = "50%";
msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
msgObj.style.marginLeft = "-225px" ;
msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
msgObj.style.width = msgw + "px";
msgObj.style.height =msgh + "px";
msgObj.style.textAlign = "center";
msgObj.style.lineHeight ="25px";
msgObj.style.zIndex = "10001";
var title=document.createElement("h4");
title.setAttribute("id","msgTitle");
title.setAttribute("align","right");
title.style.margin="0";
title.style.padding="3px";
title.style.background=bordercolor;
title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
title.style.opacity="0.75";
title.style.border="1px solid " + bordercolor;
title.style.height="18px";
title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
title.style.color="white";
title.style.cursor="pointer";
title.title = "点击关闭";
title.innerHTML="<table border='0′ width='100%'><tr><td align='left'>"+ strTitle +"</td><td>关闭</td></tr></table></div>";
title.οnclick=function(){
document.body.removeChild(bgObj);
document.getElementById("msgDiv").removeChild(title);
document.body.removeChild(msgObj);
}
document.body.appendChild(msgObj);
document.getElementById("msgDiv").appendChild(title);
var txt=document.createElement("p");
txt.style.margin="1em 0"
txt.setAttribute("id","msgTxt");
txt.innerHTML=strContent;
document.getElementById("msgDiv").appendChild(txt);
function closewin() {
document.body.removeChild(document.getElementById("msgDiv"));
}
}
</script>
<input type="button" value="弹出alert框自动关闭" onClick="sAlert('','你要输出的内容！')">
</body>
</html> 适合复制提示的提示框
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.popupStyle{
width:180px;
height:50px;
background-color: rgb(85,85,85);
color:#fff;
text-align:center;
line-height:50px;
border-radius:10px;
padding:0;
position:fixed;
z-index:1;
top:40%;
left:50%;
transform:translateX(-50%);
}
</style>
</head>
<body style="text-align:center;">
<h2 style="margin-top:200px;">Pop Up</h2>
<div style="text-align:center;">
<a href="#" rel="external nofollow" rel="external nofollow" onclick="stylePopup(styleMsg)">stylePopup</a>
<a href="#" rel="external nofollow" rel="external nofollow" onclick="domPopup(domMsg)">domPopup</a>
</div>
<span class="popupStyle" id="popup">popupStyle</span>
<script>
console.log(getComputedStyle(popup).display)
const styleMsg='Popup of style'
const domMsg='Popup of dom'
function stylePopup(message){
const popup=document.getElementById('popup')
console.log(popup)
popup.innerHTML=message || 'default messsage'
popup.style.display='block'
setTimeout(()=>{
popup.style.display='none'
},1000)
}
function domPopup(message){
const span=document.createElement('span')
span.innerHTML=message || 'default'
span.className='popupStyle'
span.style.display='block'
document.body.appendChild(span)
setTimeout(()=>{
span.remove()
},1000)
}
</script>
</body>
</html>到此这篇关于原生js提示框并自动关闭(手工关闭)的文章就介绍到这了,更多相关js提示框内容请搜索编程网以前的文章或继续浏览下面的相关文章希望大家以后多多支持编程网！
