javasprict
题目是创建一个页面，显示当前的年月日时分秒星期几，点击当前的日期弹出消息框，“祝你一天幸福美满”， 前面都会就是后面那个点击日期弹出消息框不知道怎么弄，求助大神 本帖最后由 aaron.yang 于 2020-10-1 12:12 编辑<html>
<head>
<meta charset="UTF-8">
<title> test </title>
</head>
<body>
<button id="date" onclick="f()"></button>
<script>
var date = Date(), button_id = document.getElementById("date");
var date_slice = date.slice(4, 23);
button_id.innerHTML = date_slice;
function f()
{
alert("祝你一天幸福美满");
}
</script>
</body>
</html> aaron.yang 发表于 2020-10-1 11:57
<!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>
<script>
function changetext(id){
id.innerhtml="祝你一天幸福美满";
}
</script>
</head>
<body>
<h1 onclick="changetext(this)">
<script type="text/javascript">
var now, year, month, date, hour, minute, second, day, time;
now = new Date();
year = now.getFullYear();
month = now.getMonth() + 1;
date = now.getDate();
hour = now.getHours();
minute = now.getMinutes();
second = now.getSeconds();
if(month < 10) month = "0" + month;
if(date < 10) date = "0" + date;
if(hour < 10) hour = "0" + hour;
if(minute < 10) minute = "0" + minute;
if(second < 10) second = "0" + second;
day = now.getDay();
switch(day) {
case 0: day = "星期日"; break;
case 1: day = "星期一"; break;
case 2: day = "星期二"; break;
case 3: day = "星期三"; break;
case 4: day = "星期四"; break;
case 5: day = "星期五"; break;
case 6: day = "星期六"; break;
}
time = year + "年" + month + "月" + date + "日" + day;
time = time + " " + hour + ":" + minute + ":" + second;
document.write(time);
</script></h1>
<p id="demo"></p>
</body>
</html>
这是我代码运行出不来弹窗 大佬看看哪里错了 alert
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