Question

＆＃13;

function timer()

{
	var currentTime = new Date()
	var hours = currentTime.getHours()
	var minutes = currentTime.getMinutes()
	var seconds = currentTime.getSeconds()

	if (minutes < 10)
	{
		minutes = "0" + minutes
	}
	
	if (hours < 6)
	{
		var hoursLeft = 5 – hours;
		var minsLeft = 60 – minutes;
		
		if(minsLeft==60)
		{
			minsLeft=0;
			hoursLeft++;
		}
	var secsLeft = 60 – seconds;
	
		if(secsLeft==60)
		{
			secsLeft=0;
			minsLeft++;
		}
	}

	else if (hours < 18)
	{
		var hoursLeft = 17 – hours;
		var minsLeft = 60 – minutes;
		
		if(minsLeft==60)
		{
			minsLeft=0;
			hoursLeft++;
		}

		var secsLeft = 60 – seconds;
		
		if(secsLeft==60)
		{
			secsLeft=0;
      minsLeft++;
		}
	}
	
	else if (hours < 24)
	{
		var hoursLeft = 29 – hours;
		var minsLeft = 60 – minutes;
		
		if(minsLeft==60)
		{
			minsLeft=0;
			hoursLeft++;
		}
		
		var secsLeft = 60 – seconds;
		
		if(secsLeft==60)
		{
			secsLeft=0;
			minsLeft++;
		}
	}
	
	else if (hours == 6)
	{
		var xmlhttp = new XMLHttpRequest();
		xmlhttp.open("reset.html", true);
		xmlhttp.send();
	}
	
	else if (hours == 18)
	{
		var xmlhttp = new XMLHttpRequest();
		xmlhttp.open("reset.html", true);
		xmlhttp.send();
	}
	
	else
	{
		document.write("Error, please contact admin");
	}

	document.getElementById('timerUpFront').innerHTML= hoursLeft + " hours " + minsLeft + " minutes " + secsLeft + " seconds";
}

	var countdownTimer = setInterval('timer()', 1000);

＆＃13;

#timerUpFront
{
	color:#009DE3;
}

#timer
{
  font-family: "Comic Sans MS", cursive, sans-serif;
  margin-top: 20px;
  font-size:36px;
  text-align:center;
}

#button
{
	background-color:#008CFF;
	font-family:Segoe, "Segoe UI", "DejaVu Sans", "Trebuchet MS", Verdana, sans-serif;
	font-size:26px;
	width:160px;
	padding: 10px;
	margin: 2em auto;
	margin-top: 10px;
}

＆＃13;

<html>
<head>
<title>Timer</title>
</head>

<body>
<div id="timer">
<span id="timerUpFront"></span>
<br><br>
<div id="button">
<center><a href="reset.html" style="text-decoration:none">Reset</a></center>
</div>
</div>
</body>
</html>

＆＃13;

尝试创建一个自动倒计时器，该计时器应自动将其重置为一次到达0:00:00或按下按钮但在页面刷新时不重置。我已经尝试了几个小时，但无法显示计时器，无法在.js文件中找到任何错误我自己显示。我最后的选择不得不在这个网站上询问。

Answer 1

我不确定是否有人恶作剧你或者某事，但你使用的是更大的破折号（我不确定那是什么），而不是常规的减号。我用 - 替换 - 。

＆＃xA;＆＃xA;

＆＃xD;＆＃xA;

  function timer（）＆＃xD;＆＃xA;＆＃xD;＆＃xA; {＆＃xD;＆＃xA; var currentTime = new Date（）＆＃xD;＆＃xA; var hours = currentTime.getHours（）＆＃xD;＆＃xA; var minutes = currentTime.getMinutes（）＆＃xD;＆＃xA; var seconds = currentTime.getSeconds（）＆＃xD;＆＃xA;＆＃xD;＆＃xA; if（分钟＆lt; 10）＆＃xD;＆＃xA; {＆＃的xD;＆＃XA;分钟=“0”+分钟＆＃xD;＆＃xA; }＆＃的xD;＆＃XA; ＆＃的xD;＆＃XA; if（小时＆lt; 6）＆＃xD;＆＃xA; {＆＃的xD;＆＃XA; var hoursLeft = 5  - 小时;＆＃xD;＆＃xA; var minsLeft = 60  - 分钟;＆＃xD;＆＃xA; ＆＃的xD;＆＃XA;如果（minsLeft == 60）＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; minsLeft = 0;＆＃的xD;＆＃XA; hoursLeft ++;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; var secsLeft = 60  - 秒;＆＃xD;＆＃xA; ＆＃的xD;＆＃XA;如果（secsLeft == 60）＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; secsLeft = 0;＆＃的xD;＆＃XA; minsLeft ++;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA;＆＃的xD;＆＃XA;否则如果（小时＆lt; 18）＆＃xD;＆＃xA; {＆＃的xD;＆＃XA; var hoursLeft = 17  -  hours;＆＃xD;＆＃xA; var minsLeft = 60  - 分钟;＆＃xD;＆＃xA; ＆＃的xD;＆＃XA;如果（minsLeft == 60）＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; minsLeft = 0;＆＃的xD;＆＃XA; hoursLeft ++;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA;＆＃的xD;＆＃XA; var secsLeft = 60  - 秒;＆＃xD;＆＃xA; ＆＃的xD;＆＃XA;如果（secsLeft == 60）＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; secsLeft = 0;＆＃的xD;＆＃XA; minsLeft ++;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; ＆＃的xD;＆＃XA;否则如果（小时＆lt; 24）＆＃xD;＆＃xA; {＆＃的xD;＆＃XA; var hoursLeft = 29  -  hours;＆＃xD;＆＃xA; var minsLeft = 60  - 分钟;＆＃xD;＆＃xA; ＆＃的xD;＆＃XA;如果（minsLeft == 60）＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; minsLeft = 0;＆＃的xD;＆＃XA; hoursLeft ++;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; ＆＃的xD;＆＃XA; var secsLeft = 60  - 秒;＆＃xD;＆＃xA; ＆＃的xD;＆＃XA;如果（secsLeft == 60）＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; secsLeft = 0;＆＃的xD;＆＃XA; minsLeft ++;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; ＆＃的xD;＆＃XA;否则如果（小时== 6）＆＃xD;＆＃xA; {＆＃的xD;＆＃XA; var xmlhttp = new XMLHttpRequest（）;＆＃xD;＆＃xA; xmlhttp.open（“reset.html”，true）;＆＃xD;＆＃xA; xmlhttp.send（）;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; ＆＃的xD;＆＃XA;否则如果（小时== 18）＆＃xD;＆＃xA; {＆＃的xD;＆＃XA; var xmlhttp = new XMLHttpRequest（）;＆＃xD;＆＃xA; xmlhttp.open（“reset.html”，true）;＆＃xD;＆＃xA; xmlhttp.send（）;＆＃的xD;＆＃XA; }＆＃的xD;＆＃XA; ＆＃的xD;＆＃XA;否则＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; document.write（“错误，请联系管理员”）;＆＃xD;＆＃xA; }＆＃的xD;＆＃XA;＆＃的xD;＆＃XA; document.getElementById（'timerUpFront'）。innerHTML = hoursLeft +“hours”+ minsLeft +“minutes”+ secsLeft +“seconds”;＆＃xD;＆＃xA;}＆＃xD;＆＃xA;＆＃xD; ＆＃XA; var countdownTimer = setInterval（'timer（）'，1000）;

＆＃xD;＆＃xA;

 ＃timerUpFront＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA;颜色：＃009DE3;＆＃的xD;＆＃XA;}＆＃的xD;＆＃XA;＆＃的xD;＆＃XA;＃计时器＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA; font-family：“Comic Sans MS”，草书，无衬线;＆＃xD;＆＃xA; margin-top：20px;＆＃xD;＆＃xA;字体大小：36px;＆＃的xD;＆＃XA;文本对齐：中心;＆＃的xD;＆＃XA;}＆＃的xD;＆＃XA;＆＃的xD;＆＃XA;＃按钮＆＃的xD;＆＃XA; {＆＃的xD;＆＃XA;背景色：＃008CFF;＆＃的xD;＆＃XA; font-family：Segoe，“Segoe UI”，“DejaVu Sans”，“Trebuchet MS”，Verdana，sans-serif;＆＃xD;＆＃xA;字体大小：26px;＆＃的xD;＆＃XA;宽度：160像素;＆＃的xD;＆＃XA;填充：10px;＆＃xD;＆＃xA;保证金：2em auto;＆＃xD;＆＃xA; margin-top：10px;＆＃xD;＆＃xA;}

＆＃xD;＆＃xA;

 <代码>＆LT; HTML＆GT;＆＃的xD;＆＃XA;＆LT; HEAD＆GT;＆＃的xD;＆＃XA;＆LT;标题＆GT;定时器和LT; /标题＆GT;＆＃的xD;＆＃XA;＆LT; /头＆GT;＆＃ xD;＆＃xA;＆＃xD;＆＃xA;＆lt; body＆gt;＆＃xD;＆＃xA;＆lt; div id =“timer”＆gt;＆＃xD;＆＃xA;＆lt; span id =“ timerUpFront“＆gt;＆lt; / span＆gt;＆＃xD;＆＃xA;＆lt; br＆gt;＆lt; br＆gt;＆＃xD;＆＃xA;＆lt; div id =”button“＆gt;＆＃xD;＆＃xA ;＆lt; center＆gt;＆lt; a href =“reset.html”style =“text-decoration：none”＆gt;重置＆lt; / a＆gt;＆lt; / center＆gt;＆＃xD;＆＃xA;＆lt; / div＆gt;＆ #xD;＆＃XA;＆LT; / DIV＆GT;＆＃的xD;＆＃XA;＆LT; / BODY＆GT;＆＃的xD;＆＃XA;＆LT; / HTML＆GT;

＆＃的xD; ＆＃XA;

＆＃的xD;＆＃XA;

＆＃XA;

Javascript循环倒计时器

1 个答案: