Question

我想在我的最终答案中添加一个$，它现在在警告消息中返回答案为500.00，具体取决于

<HTML>
<HEAD>
<TITLE>Simple Adder</TITLE>
<SCRIPT LANGUAGE="JavaScript">
function CalculateSum(Atext, Btext)
{
var A = parseFloat(Atext);
var B= A * .03+.30+A;
alert(B.toFixed(2));
}
function ClearForm(form)
{
form.input_A.value = "";
form.Answer.value = "";
}

// end of JavaScript functions -->
</SCRIPT>
</HEAD>

<BODY>

<P><FONT SIZE="+2">Credit Card Payment Calculator</FONT></P>

<FORM NAME="Calculator" METHOD="post">
<P>Enter Base Rent: <INPUT TYPE=TEXT NAME="input_A" SIZE=10></P>
<P><INPUT TYPE="button" VALUE="Calculate Rent & Fees Payment" name="AddButton"    onClick="CalculateSum(this.form.input_A.value, this.form)"></P>
</FORM>

</BODY>
</HTML>

Answer 1

alert('$' + B.toFixed(2));

“toFixed（）”函数返回一个字符串，因此您只需将“$”添加到该字符串中。

有点难以分辨你所要求的是什么

Answer 2

alert('$' + B.toFixed(2));

应该工作

Javascript在我的回答中添加一个美元符号$

2 个答案: