我正在为竞价拍卖创建一个倒数计时器,对于它正在运行的单品,但当我为所有产品制作动态时,它显示计时器但是秒数没有变化,虽然计时器工作正常,但计时器不是正如您在此链接http://proffice.in/bidapp/中看到的那样在前端运行,请帮助我解决javascript错误。显示我控制台的错误:
未捕获的TypeError:无法在此行上设置null的“innerHTML”属性document.getElementById(“cntdwn _”+ show_id).innerHTML = DisplayStr; 在countdown.js
<?php
while($pro_data = $db->jas_fetch_array($products)){
$closedate = date_format(date_create($pro_data['selling_end_date']), 'm/d/Y H:i:s');?>
<script>
TargetDate = "<?php echo $closedate ?>";
ForeColor = "#04BFBF";
show_id="<?=$pro_data["id"]?>";
CountActive = true;
CountStepper = -1;
LeadingZero = true;
DisplayFormat = "%%D%%d:%%H%%H:%%M%%M:%%S%%S";
FinishMessage = "Bidding closed!";
</script>
<script language="JavaScript" src="<?=$wwwroot;?>assets/js/countdown.js"></script>
<?php } ?>
// here is my coutdown.js file
function calcage(secs, num1, num2) {
s = ((Math.floor(secs/num1))%num2).toString();
if (LeadingZero && s.length < 2)
s = "0" + s;
return "<b>" + s + "</b>";
}
function CountBack(secs,show_id) {
if (secs < 0) {
document.getElementById("cntdwn_"+show_id).innerHTML = FinishMessage;
return;
}
DisplayStr = DisplayFormat.replace(/%%D%%/g, calcage(secs,86400,100000));
DisplayStr = DisplayStr.replace(/%%H%%/g, calcage(secs,3600,24));
DisplayStr = DisplayStr.replace(/%%M%%/g, calcage(secs,60,60));
DisplayStr = DisplayStr.replace(/%%S%%/g, calcage(secs,1,60));
document.getElementById("cntdwn_"+show_id).innerHTML = DisplayStr;
if (CountActive)
setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod);
}
function putspan(backcolor, forecolor,show_id) {
document.write("<span id='cntdwn_"+show_id+"' style='background-color:" + backcolor +
"; color:" + forecolor + "'></span>");
}
if (typeof(BackColor)=="undefined")
BackColor = "white";
if (typeof(ForeColor)=="undefined")
ForeColor= "black";
if (typeof(show_id)=="undefined")
show_id = "";
if (typeof(TargetDate)=="undefined")
TargetDate = "21/06/2017 5:00 AM";
if (typeof(DisplayFormat)=="undefined")
DisplayFormat = "%%D%% Days, %%H%% Hours, %%M%% Minutes, %%S%% Seconds.";
if (typeof(CountActive)=="undefined")
CountActive = true;
if (typeof(FinishMessage)=="undefined")
FinishMessage = "";
if (typeof(CountStepper)!="number")
CountStepper = -1;
if (typeof(LeadingZero)=="undefined")
LeadingZero = true;
CountStepper = Math.ceil(CountStepper);
if (CountStepper == 0)
CountActive = false;
var SetTimeOutPeriod = (Math.abs(CountStepper)-1)*1000 + 990;
putspan(BackColor, ForeColor,show_id);
var dthen = new Date(TargetDate);
var dnow = new Date();
if(CountStepper>0)
ddiff = new Date(dnow-dthen);
else
ddiff = new Date(dthen-dnow);
gsecs = Math.floor(ddiff.valueOf()/1000);
CountBack(gsecs,show_id);
// console is showing error in this line
document.getElementById("cntdwn_"+show_id).innerHTML = DisplayStr;
if (CountActive)
setTimeout("CountBack(" + (secs+CountStepper) + ")", SetTimeOutPeriod);
}
答案 0 :(得分:0)
您正在做的是您只是使用循环创建脚本。但是不要创建你需要显示柜台的Div,当然这是你的柜台。
请检查是否有任何ID为id&#34; cntdwn _&#34;与您对应的show_id是否存在。在您的网址中,我无法在页面上找到。希望能帮助到你。如果它没有,请告诉我。 :)