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ISO Formatted Time/Date for Github & StackOverflow

Change time/date to ISO format for Github and stackoverflow websites.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name ISO Formatted Time/Date for Github & StackOverflow
// @name:zh-CN 易读时间日期 for Github和StackOverflow等网站
// @namespace coolan
// @version 1.0
// @description Change time/date to ISO format for Github and stackoverflow websites.
// @description:zh-CN 把Github,stackoverflow等网站的时间转换为ISO格式,方便阅读。
// @author coolan
// @match https://github.com/*
// @match https://askubuntu.com/*
// @match https://stackapps.com/*
// @match https://superuser.com/*
// @match https://serverfault.com/*
// @match https://mathoverflow.net/*
// @match https://*.stackoverflow.com/*
// @match https://*.stackexchange.com/*
// @icon https://github.com/favicon.ico
// @grant none
// ==/UserScript==

(function () {
    'use strict';
    function replaceTime(){
        var time_list = document.querySelectorAll("span.relativetime, span.relativetime-clean")
        time_list.forEach(function(ele) {
            ele.innerText = ele.title.substring(0,16);
        })
        var items = document.getElementsByTagName("relative-time")
        for (var i = 0; i < items.length; i++) {
            var item = items[i];
            item.innerHTML = item.getAttribute("datetime").substring(0,16).replace(/T/," ");
        }
    }
    replaceTime();
    var observer = new MutationObserver(function (mutations, observer) {
        replaceTime();
    });
    var body = document.querySelector('body');
    var options = { 'childList': true };
    observer.observe(body, options);

})();