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其他参考手册

CSSStyleDeclaration JS 类型转换


JavaScript getUTCSeconds() 方法


实例

根据世界时返回秒数:

var d = new Date();
var n = d.getUTCSeconds();
亲自试一试 »

页面下方有更多实例。


定义和用法

getUTCSeconds() 方法根据世界时返回指定日期和时间的秒数(从 0 到 59)。

计算日期时,UTC 方法假设日期对象是本地时间和日期。

提示:世界协调时间 (UTC) 是世界时间标准设定的时间。

注释:UTC 时间与 GMT 时间(格林威治时间)相同。


浏览器支持

方法
getUTCSeconds() Yes Yes Yes Yes Yes

语法

Date.getUTCSeconds()

参数

None


技术细节

返回值: 数值,从 0 到 59,表示秒。
JavaScript 版本: ECMAScript 1

更多实例

实例

使用 getUTCHours()、getUTCMinutes() 和 getUTCSeconds() 显示世界时:

function addZero(i) {
  if (i < 10) {
    i = "0" + i;
  }
  return i;
}

function myFunction() {
  var d = new Date();
  var x = document.getElementById("demo");
  var h = addZero(d.getUTCHours());
  var m = addZero(d.getUTCMinutes());
  var s = addZero(d.getUTCSeconds());
  x.innerHTML = h + ":" + m + ":" + s;
}
亲自试一试 »

相关页面

JavaScript 教程: JavaScript 日期

JavaScript 教程: JavaScript 日期格式

JavaScript 教程: JavaScript Date Get Methods