Delete the timer on AtCoder in order to keep calm during the contests.
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// ==UserScript==
// @name CalmAtCoder
// @name:ja AtCoderタイマー削除
// @namespace http://twitter.com/ageprocpp
// @version 0.1
// @description Delete the timer on AtCoder in order to keep calm during the contests.
// @description:ja AtCoderのタイマーをコンテスト中のみ消去し、最後の1秒まで集中を促します。
// @author kaage
// @match https://atcoder.jp/*
// @grant none
// ==/UserScript==
(function() {
'use strict';
var timer=document.getElementById("fixed-server-timer");
var time=document.getElementsByClassName("fixtime-full");
var startTime=time[0].innerHTML;
var endTime=time[1].innerHTML;
var year=new Date().getFullYear();
var month=new Date().getMonth();
var date=new Date().getDate();
var hour=new Date().getHours();
var minutes=new Date().getMinutes();
var seconds=new Date().getSeconds();
month++;
var startYear=parseInt(startTime.substr(0,4));
var endYear=parseInt(endTime.substr(0,4));
var startMonth=parseInt(startTime.substr(5,2));
var endMonth=parseInt(endTime.substr(5,2));
var startDate=parseInt(startTime.substr(8,2));
var endDate=parseInt(endTime.substr(8,2));
var startHour=parseInt(startTime.substr(14,2));
var endHour=parseInt(endTime.substr(14,2));
var startMinute=parseInt(startTime.substr(17,2));
var endMinute=parseInt(endTime.substr(17,2));
var startSecond=0;
var endSecond=0;
var startTime_value=startSecond+startMinute*60+startHour*60*60+startDate*60*60*24+startMonth*60*60*24*40+startYear*60*60*24*40*12;
var endTime_value=endSecond+endMinute*60+endHour*60*60+endDate*60*60*24+endMonth*60*60*24*40+endYear*60*60*24*40*12;
var nowTime_value=seconds+minutes*60+hour*60*60+date*60*60*24+month*60*60*24*40+year*60*60*24*40*12;
if(startTime_value<=nowTime_value&&nowTime_value<endTime_value){
timer.parentNode.removeChild(timer);
}
})();