这是我的代码到目前为止.我想知道如何以小数点后两位返回答案. EX.而不是515.3我想要515.30或者不是500我希望它返回500.00.
- <HTML>
- <HEAD>
- <TITLE>Simple Adder</TITLE>
- <SCRIPT LANGUAGE="JavaScript">
- function CalculateSum(Atext,form)
- {
- var A = parseFloat(Atext);
- form.Answer.value = A * .03+.30+A;
- }
- 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>
- <P><INPUT TYPE="button" VALUE="Clear Fields" name="ClearButton" onClick="ClearForm(this.form)"></P>
- <P>Final Amount = <INPUT TYPE=TEXT NAME="Answer" SIZE=12></P>
- </FORM>
- </BODY>
- </HTML>
