JavaScript实现动态时间显示功能
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>显示时间</title>
</head>
<body onload="showTime()">
<script>
function showTime() {
var date = new Date();
var year = date.getFullYear();
var month = date.getMonth() + 1;
month = month < 10 ? "0" + month : month;
var day = date.getDate();
day = day < 10 ? "0" + day : day;
var week = "日一二三四五六".charAt(date.getDay()); // 使用charAt函数提取相应汉字
var hour = date.getHours();
hour = hour < 10 ? "0" + hour : hour; // 用三目运算符调整数字显示格式
var minute = date.getMinutes();
minute = minute < 10 ? "0" + minute : minute;
var second = date.getSeconds();
second = second < 10 ? "0" + second : second;
var current = year + "-" + month + "-" + day + " " + "星期" + week + " " + hour + ":" + minute + ":" + second;
document.getElementById("time").innerHTML = current;
}
setInterval("showTime()", 1000);
</script>
<span id="time"></span>
</body>
</html>
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