我的腳本顯示小數工作正常,但有時結果是一樣100.6456489764,但我想,而不是顯示像100.64或只是100,但我不明白這裏怎麼解決這個問題是我的代碼位怎麼就不能在這
希望得到你的幫助,並輸入該
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xml:lang="en-CA" lang="en-CA" xmlns="http://www.w3.org/1999/xhtml">
<head>
<script language="Javascript">
function dosum()
{
var TD = document.temps.OD.value /document.temps.PV.value *100;
var MLTV = document.temps.MA.value /document.temps.PV.value *100
document.temps.LTV.value = TD + MLTV
}
</script>
<script type="text/javascript" language="javascript">
function display_amount(amount)
{
var currency = '$';
if(isNumeric(amount))
{
if(amount < 0)
return '-' + currency + Math.abs(Math.round(amount,2));
else
return currency + Math.round(amount, 2);
}
else
return amount;
}
</script>
<title>LTV</title>
</head>
<body>
<FORM NAME="temps">
<TABLE bgcolor="#CCCCCC" cellspacing="0" cellpadding="10" width="350">
<TR><TD WIDTH=153 bgcolor="blue">
<font color="yellow"><b>Property Value:</b></font></TD>
<TD WIDTH=153 bgcolor="#0fcf00">
<p style="margin-top: 0; margin-bottom: 0">
$<INPUT TYPE="TEXT" NAME="PV" onChange="dosum()" SIZE="8" VALUE=""></p></TD></TR>
<TR><TD WIDTH=153 bgcolor="green">
<font color="white"><b>Mortgage Balance:</b></font></TD>
<TD WIDTH=153 bgcolor="red">
$<INPUT NAME="MA" onChange="dosum()" SIZE="8" VALUE=""></TD></TR>
<TR><TD WIDTH=153 bgcolor="#ddd000">
<font color="green"><b>Additional Debts:</b></font></TD>
<TD WIDTH=153 bgcolor="orange">
$<INPUT NAME="OD" onChange="dosum()" SIZE="8" VALUE=""></TD></TR>
<TR><TD WIDTH=153 bgcolor="#333000"> <b><font color="#ffffff">
<INPUT TYPE="NUMBER" NAME="LTV" SIZE="10" readonly>%</font></b></TD>
<TD WIDTH=153 bgcolor="#333000">
<INPUT TYPE="submit" VALUE="Calculate"></div></TD>
</TR>
</TABLE>
</FORM>
</body>
</html>
感謝提前
所以,'font'元素已經被廢棄了很長一段時間......除此之外,看['toFixed'](HTTPS ://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toFixed)。 –
類似問題:http://stackoverflow.com/questions/11832914/round-to-at-most-2-decimal-places-in-javascript – roger