-1
Here is my code:
<!DOCTYPE html>
<HTML>
<HEAD>
<script>
var a,b,result;
function setValues()
{
a = Number(document.getElementById("a").Value);
b = Number(document.getElementById("b").Value);
}
function sum()
{
setValues();
result = a+b;
alert("The Sum For The Values Is "+result);
}
function multiply()
{
setValues();
result = a*b;
alert("The Product For The Values Is "+result);
}
function div()
{
setValues();
result = a/b;
alert("The Quotient For The Values Is "+result);
}
</script>
</HEAD>
<STYLE>
body
{
background-color: #b0c4de;
}
</STYLE>
<body>
<CENTER>
<H1><B><U> Fun Facts!</B></U></H1>
<H4>Did You Know There Are Over 7 Billion People In The World!!!</H4>
<div>
<input Id="a" Type="Text"/>
<input Id="b" Type="Text"/>
<input Type="Button" onclick="sum()" Value="sum"/>
<input Type="Button" onclick="multiply()" Value="multiply"/>
<input Type="Button" onclick="div()" Value="divide"/>
</div>
</body>
</CENTER>
</HTML>
这是一个简单的计算器，但是当我点击这个，乘或除，我得到的“南错误，我添加了警报系统，所以答案是总和，产品或商，然后答案，但我得到的报警系统，但结果我得到的是NaN的 请帮助。 感谢当我点击的总和，乘，除按钮，我得到了“南”错误
<!DOCTYPE html>
<HTML>
<HEAD>
<script>
var a,b,result;
function setValues()
{
a = Number(document.getElementById("a").Value);
b = Number(document.getElementById("b").Value);
}
function sum()
{
setValues();
result = a+b;
alert("The Sum For The Values Is "+result);
}
function multiply()
{
setValues();
result = a*b;
alert("The Product For The Values Is "+result);
}
function div()
{
setValues();
result = a/b;
alert("The Quotient For The Values Is "+result);
}
</script>
</HEAD>
<STYLE>
body
{
background-color: #b0c4de;
}
</STYLE>
<body>
<CENTER>
<H1><B><U> Fun Facts!</B></U></H1>
<H4>Did You Know There Are Over 7 Billion People In The World!!!</H4>
<div>
<input Id="a" Type="Text"/>
<input Id="b" Type="Text"/>
<input Type="Button" onclick="sum()" Value="sum"/>
<input Type="Button" onclick="multiply()" Value="multiply"/>
<input Type="Button" onclick="div()" Value="divide"/>
</div>
</body>
</CENTER>
</HTML>