如何让alert对话框的字体有颜色？-慕课网

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如何让alert对话框的字体有颜色？

来源：2-2 JavaScript-警告（alert 消息对话框）

qq_塞纳新郎_03873271

2016-08-25 21:29

<!DOCTYPE HTML>

<html>

<head>

<title>alert</title>

function rec(){

var mychar="I love You.My darling!Forever!";

alert(mychar);

}

</script>

</head>

<body>

</body>

</html>

写回答关注

4回答

ZzzzZzz3501392

2016-08-25 21:57:02

已采纳
window.alert = function(str)
{
var shield = document.createElement("DIV");
shield.id = "shield";
shield.style.position = "absolute";
shield.style.left = "0px";
shield.style.top = "0px";
shield.style.width = "100%";
shield.style.height = document.body.scrollHeight+"px";
//弹出对话框时的背景颜色
shield.style.background = "#fff";
shield.style.textAlign = "center";
shield.style.zIndex = "25";
//背景透明 IE有效
//shield.style.filter = "alpha(opacity=0)";
var alertFram = document.createElement("DIV");
alertFram.id="alertFram";
alertFram.style.position = "absolute";
alertFram.style.left = "50%";
alertFram.style.top = "50%";
alertFram.style.marginLeft = "-225px";
alertFram.style.marginTop = "-75px";
alertFram.style.width = "450px";
alertFram.style.height = "150px";
alertFram.style.background = "#ff0000";
alertFram.style.textAlign = "center";
alertFram.style.lineHeight = "150px";
alertFram.style.zIndex = "300";
strHtml = "<ul style=\"list-style:none;margin:0px;padding:0px;width:100%\">\n";
strHtml += " <li style=\"background:#DD828D;text-align:left;padding-left:20px;font-size:14px;font-weight:bold;height:25px;line-height:25px;border:1px solid #F9CADE;\">[自定义提示]</li>\n";
strHtml += " <li style=\"background:#fff;text-align:center;font-size:12px;height:120px;line-height:120px;border-left:1px solid #F9CADE;border-right:1px solid #F9CADE;\">"+str+"</li>\n";
strHtml += " <li style=\"background:#FDEEF4;text-align:center;font-weight:bold;height:25px;line-height:25px; border:1px solid #F9CADE;\"><input type=\"button\" value=\"确定\" onclick=\"doOk()\" /></li>\n";
strHtml += "</ul>\n";
alertFram.innerHTML = strHtml;
document.body.appendChild(alertFram);
document.body.appendChild(shield);
var ad = setInterval("doAlpha()",5);
this.doOk = function(){
alertFram.style.display = "none";
shield.style.display = "none";
}
alertFram.focus();
document.body.onselectstart = function(){return false;};
}
1 0

qq_塞纳新...

好像没啥用

2016-10-08 17:19:11

共 1 条回复 >
繁繁l

2017-10-18 16:36:51

系统给的方法,没办法直接改

0 0
qq_MiSamisa3864425

2016-08-25 21:51:16

黑色不是颜色吗

1 1

qq_塞纳新...

除黑色之外的好吧

2016-10-08 17:16:51

共 1 条回复 >
慕粉3875318

2016-08-25 21:50:19

好像改不了弹框里字体的颜色

1 0

qq_塞纳新...

你也是freshman吗

2016-10-08 17:17:55

共 1 条回复 >