哪位大哥帮帮忙～该怎么解决
日期：2014-05-16 浏览次数：20365 次
哪位大哥帮帮忙～～
请问大家，我想实现在表单内计算的功能，代码如下，但就是实现不了，请帮帮忙，小弟下跪了。。
==================我是分隔线==============================
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<script type= "text/javascript " language= "javascript ">
<!--
function calc()
{
var x=document.form1.textfield.value;
var y=document.form1.textfield2.value;
var z=parseFloat(x)*parseFloat(y);
document.form1.textfield3.value=z;
}
//-->
</script>
</head>
<body>
<form id= "form1 " name= "form1 " method= "post " action= " ">
<label> 1
<input type= "text " name= "textfield " />
</label>
<p>
<label> 2
<input type= "text " name= "textfield2 " />
</label>
</p>
<p>
<label> 3
<input type= "text " name= "textfield3 " />
</label>
</p>
<p>
<label>
<input type= "submit " name= "Submit " value= "提交 " onclick= "calc() " />
</label>
</p>
</form>
<p> </p>
</body>
</html>
------解决方案--------------------
<input type= "submit " name= "Submit " value= "提交 " onclick= "calc() " />
改成
<input type= "button " name= "Submit " value= "提交 " onclick= "calc() " />
试试
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<script type= "text/javascript " language= "javascript ">
<!--
function calc()
{
var x=document.form1.textfield.value;
var y=document.form1.textfield2.value;
var z=parseFloat(x)*parseFloat(y);
document.form1.textfield3.value=z;
}
//-->
</script>
</head>
<body>
<form id= "form1 "
<label> 1
<input type= "text " name= "textfield " />
</label>
<p>
<label> 2
<input type= "text " name= "textfield2 " />
</label>
</p>
<p>
<label> 3
<input type= "text " name= "textfield
请问大家，我想实现在表单内计算的功能，代码如下，但就是实现不了，请帮帮忙，小弟下跪了。。
==================我是分隔线==============================
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<script type= "text/javascript " language= "javascript ">
<!--
function calc()
{
var x=document.form1.textfield.value;
var y=document.form1.textfield2.value;
var z=parseFloat(x)*parseFloat(y);
document.form1.textfield3.value=z;
}
//-->
</script>
</head>
<body>
<form id= "form1 " name= "form1 " method= "post " action= " ">
<label> 1
<input type= "text " name= "textfield " />
</label>
<p>
<label> 2
<input type= "text " name= "textfield2 " />
</label>
</p>
<p>
<label> 3
<input type= "text " name= "textfield3 " />
</label>
</p>
<p>
<label>
<input type= "submit " name= "Submit " value= "提交 " onclick= "calc() " />
</label>
</p>
</form>
<p> </p>
</body>
</html>
------解决方案--------------------
<input type= "submit " name= "Submit " value= "提交 " onclick= "calc() " />
改成
<input type= "button " name= "Submit " value= "提交 " onclick= "calc() " />
试试
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN " "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<script type= "text/javascript " language= "javascript ">
<!--
function calc()
{
var x=document.form1.textfield.value;
var y=document.form1.textfield2.value;
var z=parseFloat(x)*parseFloat(y);
document.form1.textfield3.value=z;
}
//-->
</script>
</head>
<body>
<form id= "form1 "
<label> 1
<input type= "text " name= "textfield " />
</label>
<p>
<label> 2
<input type= "text " name= "textfield2 " />
</label>
</p>
<p>
<label> 3
<input type= "text " name= "textfield
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