JavaScript getDay() 方法
页面下方有更多实例。
定义和用法
getDay() 方法返回指定日期是星期几（从 0 到 6）。
注释: 星期日为 0，星期一为 1，依此类推。
浏览器支持
| 方法 | |||||
|---|---|---|---|---|---|
| getDay() | Yes | Yes | Yes | Yes | Yes |
语法
Date.getDay()
参数
| None |
技术细节
| 返回值: | 数值，从 0 到 6，表示星期几。 |
|---|---|
| JavaScript 版本: | ECMAScript 1 |
更多实例
实例
返回周名（不仅仅是数字）：
var d = new Date();
var weekday = new Array(7);
weekday[0] = "Sunday";
weekday[1] = "Monday";
weekday[2] = "Tuesday";
weekday[3] = "Wednesday";
weekday[4] = "Thursday";
weekday[5] = "Friday";
weekday[6] = "Saturday";
var n = weekday[d.getDay()];
亲自试一试 »
var weekday = new Array(7);
weekday[0] = "Sunday";
weekday[1] = "Monday";
weekday[2] = "Tuesday";
weekday[3] = "Wednesday";
weekday[4] = "Thursday";
weekday[5] = "Friday";
weekday[6] = "Saturday";
var n = weekday[d.getDay()];
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
