在JavaScript中,我该如何从这个日期对象生成月份的名称(例如:Oct/October)?
var objDate = new Date("10/11/2009");
在JavaScript中,我该如何从这个日期对象生成月份的名称(例如:Oct/October)?
var objDate = new Date("10/11/2009");
可以通过以下方法轻松地从日期对象中提取一些常见的内容。
var monthNames = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
];
var monthShortNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun",
"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
];
function dateFormat1(d) {
var t = new Date(d);
return t.getDate() + ' ' + monthNames[t.getMonth()] + ', ' + t.getFullYear();
}
function dateFormat2(d) {
var t = new Date(d);
return t.getDate() + ' ' + monthShortNames[t.getMonth()] + ', ' + t.getFullYear();
}
console.log(dateFormat1(new Date()))
console.log(dateFormat2(new Date()))
Date.prototype.getMonthName = function() {
var monthNames = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
];
return monthNames[this.getMonth()];
}
Date.prototype.getFormatDate = function() {
var monthNames = ["January", "February", "March", "April", "May", "June",
"July", "August", "September", "October", "November", "December"
];
return this.getDate() + ' ' + monthNames[this.getMonth()] + ', ' + this.getFullYear();
}
console.log(new Date().getMonthName())
console.log(new Date().getFormatDate())
示例:
var dateFormat3 = new Date().getMonthName();
# 三月
var dateFormat4 = new Date().getFormatDate();
# 2017年3月16日
另一种格式化日期的方法
new Date().toLocaleString('en-us',{month:'long', year:'numeric', day:'numeric'}) //output: "May 21, 2019"
你可以使用datejs来实现。请查看FormatSpecifiers,MMMM会给出月份的名称:
var objDate = new Date("10/11/2009");
document.write(objDate.toString("MMMM"));
而datejs将此本地化为150多个区域设置! 请看这里
尝试:
var objDate = new Date("10/11/2009");
var strDate =
objDate.toLocaleString("en", { day: "numeric" }) + ' ' +
objDate.toLocaleString("en", { month: "long" }) + ' ' +
objDate.toLocaleString("en", { year: "numeric"});
不必声明包含所有月份名称的数组,然后使用索引进行指向,我们也可以用以下更简短的方式编写:
var objDate = new Date().toLocaleString("en-us", { month: "long" }); // result: August
var objDate = new Date().toLocaleString("en-us", { month: "short" }); // result: Aug
MAY 1, 2015 AT 12:00:00 AM GMT-4
(当使用 { month: "long" }
参数时)。 - David M.new Date().toLocaleString(navigator.language, { month: "short" })
获取默认值。 - Remo H. Jansen以下是一种不依赖于硬编码数组且支持多语言环境的方法。
如果你需要整个数组:
var monthsLocalizedArray = function(locale) {
var result = [];
for(var i = 0; i < 12; i++) {
result.push(new Date(2010,i).toLocaleString(locale,{month:"long"}));
}
return result;
};
用法:
console.log(monthsLocalizedArray('en')); // -> ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"]
console.log(monthsLocalizedArray('bg')); // -> ["януари", "февруари", "март", "април", "май", "юни", "юли", "август", "септември", "октомври", "ноември", "декември"]
如果你只需要选择某个月份(更快):
var monthLocalizedString = function(month, locale) {
return new Date(2010,month).toLocaleString(locale,{month:"long"});
};
用法:
console.log(monthLocalizedString(1, 'en')); // -> February
console.log(monthLocalizedString(1, 'bg')); // -> февруари
console.log(monthLocalizedString(1, 'de')); // -> Februar
已在Chrome和IE 11上进行测试并正常工作。在Mozilla上需要进行一些修改,因为它返回整个日期。
toLocaleString
的缘故。 - S Panfilov最简单和最容易的方法:
const dateStr = new Date(2020, 03, 10).toDateString(); // 'Fri Apr 10 2020'
const dateStrArr = dateStr.split(' '); // ['Fri', 'Apr', '10', '2020']
console.log(dateStrArr[1]); // 'Apr'
不幸的是,提取月份名称的最佳方法是从UTCString表示中提取:
Date.prototype.monthName = function() {
return this.toUTCString().split(' ')[2]
};
d = new Date();
//=> Thu Mar 06 2014 23:05:21 GMT+0000 (GMT)
d.monthName();
//=> 'Mar'
已经在IE 11、Chrome和Firefox上进行过测试
const dt = new Date();
const locale = navigator.languages != undefined ? navigator.languages[0] : navigator.language;
const fullMonth = dt.toLocaleDateString(locale, {month: 'long'});
console.log(fullMonth);
您可以使用多种可用的日期格式化程序。由于这属于JavaScript规范,因此在浏览器和服务器端模式下都可以使用。
objDate.toString().split(" ")[1]; // gives short name, unsure about locale
objDate.toLocaleDateString.split(" ")[0]; // gives long name
e.g.
js> objDate = new Date(new Date() - 9876543210)
Mon Feb 04 2013 12:37:09 GMT-0800 (PST)
js> objDate.toString().split(" ")[1]
Feb
js> objDate.toLocaleString().split(" ")[0]
February
更多信息请参见https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/Date