Safari 時間格式轉換 NAN 問題
const ISO8601_DATE_REGEX =
/^(\d{4})-?(\d\d)-?(\d\d)(?:T(\d\d)(?::?(\d\d)(?::?(\d\d)(?:\.(\d+))?)?)?(Z|([+-])(\d\d):?(\d\d))?)?$/;
// 1 2 3 4 5 6 7 8 9 10 11
let value = '2030-12-31T15:59:59.000+0000';
let match = value.match(ISO8601_DATE_REGEX);
function isoStringToDate(match) {
const date = new Date(0);
let tzHour = 0;
let tzMin = 0;
// match[8] means that the string contains "Z" (UTC) or a timezone like "+01:00" or "+0100"
const dateSetter = match[8] ? date.setUTCFullYear : date.setFullYear;
const timeSetter = match[8] ? date.setUTCHours : date.setHours;
// if there is a timezone defined like "+01:00" or "+0100"
if (match[9]) {
tzHour = Number(match[9] + match[10]);
tzMin = Number(match[9] + match[11]);
}
dateSetter.call(date, Number(match[1]), Number(match[2]) - 1, Number(match[3]));
const h = Number(match[4] || 0) - tzHour;
const m = Number(match[5] || 0) - tzMin;
const s = Number(match[6] || 0);
// The ECMAScript specification (https://www.ecma-international.org/ecma-262/5.1/#sec-15.9.1.11)
// defines that `DateTime` milliseconds should always be rounded down, so that `999.9ms`
// becomes `999ms`.
const ms = Math.floor(parseFloat('0.' + (match[7] || 0)) * 1000);
timeSetter.call(date, h, m, s, ms);
return date;
}
console.log(isoStringToDate(match));
轉載請註明出處，本文鏈接：https://www.uj5u.com/qianduan/224027.html
標籤：其他
上一篇：Vue實作資料系結的原理