[英]Trying to fix a Javascript Countdown. I have no idea what I'm doing
幫助我堆棧溢出基諾比,您是我唯一的希望。
所以上周我問了這個問題:
我需要制作一個倒數至下午4:30的計時器。 到目前為止,我可以將其設置為下午4點或下午5點,但間隔不得為兩分鍾。 我設法弄清楚了:
<script type="text/javascript">
var currentTime = new Date();
var hours = currentTime.getHours();
var minutes = currentTime.getMinutes();
var d = new Date();
var weekday = new Array(7);
weekday[0] = "Sunday";
weekday[1] = "Monday";
weekday[2] = "Tuesday";
weekday[3] = "Wednesday";
weekday[4] = "Thursday";
weekday[5] = "Friday";
weekday[6] = "Saturday";
var n = weekday[d.getDay()];
var suffix = "AM";
var hoursLeft = 16 - hours;
var minsLeft = 60 - minutes;
if (minutes < 10){
minutes = "0" + minutes;
}
if (hours >= 18)
{
document.write("Same day shipping has ended for today.");
} else
if ((n === "Saturday") || (n === "Sunday"))
{
document.write("Same day shipping is not available today.");
} else {
if (hoursLeft === 0) {
document.write(minsLeft + " minutes left to have your order shipped today!");
} else {
if (hoursLeft === 1) {
document.write(hoursLeft + " hour and " + minsLeft + " minutes left to have your order shipped today!");
} else {
if ((hoursLeft === 0) && (minsLeft <= 30)){
document.write(minsLeft + " minute left to have your order shipped today!");
} else {
if (minsLeft ===1) {
document.write (hoursLeft + " hours and " + minsLeft + " minute left to have your order shipped today!");
} else {
if(minsLeft===60){
minsLeft=0;
hoursLeft++;
n === "Monday";
n === "Tuesday";
n === "Wednesday";
n === "Thursday";
n === "Friday";
}
document.write(hoursLeft + " hours and " + minsLeft + " minutes left to have your order shipped today!");
}
}
}
}
}
</script>
我需要時間倒數到下午4:30,但我只想出了如何將“ var hoursLeft”更改為“ 16-hours”,使我到下午4點,但無法弄清楚如何到達下午4:30。 我以為我會調整“ var minsLeft”,但是遇到了一個奇怪的錯誤,開始說“還剩2小時-15分鍾”之類的東西。
有人有想法么?
幸運的是,出色的UtopiaLtd對此做出了回應:
如以上建議的評論者,請在幾分鍾內完成計算。 將您的小時數轉換為總分鍾數,並確保分鍾數在您的參數范圍內。
要顯示分鍾,只需使用模運算符即可獲取當前小時之上的分鍾數。
例如,如果還剩185分鍾,而您想顯示“還剩3小時5分鍾”,
var minutesLeft = 185;
var hours = Math.floor(minutesLeft/60);
var minStr = minutesLeft % 60;
var timeLeft = hours + " hours and " + minStr + " minutes left";
當然,您將希望使用自己的邏輯來避免說“ 1小時”之類的話。
但是,這里有個關鍵, 我不知道我在做什么 ,我們的技術人員離開了,他的替代者甚至在他開始之前就退出了。 作為辦公室里最討厭的人,這已經落在我的腿上了,但是我以前沒有使用過JavaScript。
如何將UtopiaLtd的解決方案插入原始腳本中? 討厭成為負擔,但我在這里超出了我的理解范圍。 我覺得我無能為力地在污染着這個網站,但是需要幫助,你們是我唯一能想到的。
提前致謝!
好的,所以...作為開頭,這不是一個非常優雅的解決方案。 它沒有考慮時區或與時間有關的任何警告。 您應該研究某種可以幫助您解決此問題的插件。
同時,這應該可以為您提供幫助。 將所有時間計算轉換為分鍾,然后進行數學運算,然后轉換回小時和分鍾。
var hours = currentTime.getHours();
var minutes = currentTime.getMinutes() + (hours * 60); //Convert current time to minutes
var d = new Date();
var weekday = new Array(7);
weekday[0] = "Sunday";
weekday[1] = "Monday";
weekday[2] = "Tuesday";
weekday[3] = "Wednesday";
weekday[4] = "Thursday";
weekday[5] = "Friday";
weekday[6] = "Saturday";
var n = weekday[d.getDay()];
var suffix = "AM";
var minsLeft = (16.5 * 60) - minutes //get total minutes remaining until 16.5 (4:30 pm)
var hoursLeft = Math.floor(minsLeft / 60); //Get how many hours are in our minsLeft
var minsLeft = minsLeft % 60; //remove the hours from the minsLeft
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