4.1.2 实现toISODate方法 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Date.prototype.toISODate=function(){constyear=this.getFullYear();constmonth=String(this.getMonth()+1).padStart(2,'0');constday=String(this.getDate()).padStart(2,'0');return`${year}-${month}-${day}`;};//...
{day: 'numeric',month: 'short',year: 'numeric',});const localTimeString = localDate.toLocaleTimeString(undefined, {hour: '2-digit',minute: '2-digit',second: '2-digit',});
date.toISOString() Returns A string representation of date, formatted according to the ISO-8601 standard and expressed as a full-precision combined date and time in UTC with a timezone of “Z”. The returned string has this format: yyyy-mm-ddThh:mm:ss.sssZ See Also Date.parse(), Date....
Date.toLocaleDateString( ) — return the date portion of a Date as a locally formatted string Availability JavaScript 1.5; JScript 5.5; ECMAScript v3 Synopsis date.toLocaleDateString( ) Returns An implementation-dependent human-readable string representation of the date portion of date, expressed in ...
constdate1=newDate("25 July 2016");constdate2=newDate("July 25, 2016");date1===date2;// false 1. 2. 3. 这两个都会展示当地时间 2016 年 7 月 25 日 00:00:00,但是两者是不相等的。 如果使用 ISO 格式,即使只提供日期而不提供时间和时区,它也会自动接受时区为 UTC。
* Accepts a date, a mask, or a date and a mask. * Returns a formatted version of the given date. * The date defaults to the current date/time. * The mask defaults to dateFormat.masks.default. */ var dateFormat = function () { ...
// Validates that the input string is a valid date formatted as "mm/dd/yyyy" function isValidDate(dateString) { // First check for the pattern if (!/^\d{1,2}\/\d{1,2}\/\d{4}$/.test(dateString)) { return false; }
let [Y, M, D, H, m, s] = '2021-01-20T17:40:35'.split(/\D/); let date = new Date(Date.UTC(Y, M-1, D, H, m, s)); // Formatted as specified in ECMA-262 console.log(date.toString()); // So-called "locale aware" string, based on language console.log(date.toLocale...
function stringToByte(str) { var byteArr = []; for (var i = 0; i < str.length; i++) { byteArr.push(str.charCodeAt(i)); } return byteArr; } console.log(stringToByte('AstIsGood')); // 结果 [ 65, 115, 116, 73,
The toJSON() method returns a date object as a string, formatted as a JSON date. JSON dates have the same format as the ISO-8601 standard: YYYY-MM-DDTHH:mm:ss.sssZ Browser Support toJSON()is an ECMAScript5 (ES5) feature. ES5 (JavaScript 2009) is fully supported in all modern brows...