Codigo Javascript Calculadora
Páginas: 2 (421 palabras)
Publicado: 29 de septiembre de 2011
<!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><meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento sin título</title>
<script type="text/javascript">
function suma()
{
a =parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a+b);
form1.t3.value = r;
}
function resta()
{
a = parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a-b);form1.t3.value = r;
}
function mult()
{
a = parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a*b);
form1.t3.value = r;
}
function div()
{
a =parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a/b);
form1.t3.value = r;
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<tablewidth="382" border="1" align="center">
<tr>
<td colspan="2">N1:
<label for="t1"></label>
<input type="text" name="t1" id="t1"/></td>
<td colspan="2">N2:
<label for="t2"></label>
<input type="text" name="t2" id="t2" /></td>
</tr>
<tr>
<tdwidth="85" align="center"><input type="button" name="button" id="button" value="+" onclick="suma()" /></td>
<td width="92" align="center"><input type="button"name="button2" id="button2" value="-" onclick="resta()" /></td>
<td width="91" align="center"><input type="button" name="button3" id="button3" value="X" onclick="mult()" /></td><td width="86" align="center"><input type="button" name="button4" id="button4" value="/" onclick="div()" /></td>
</tr>
<tr>
<td colspan="4"...
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Documento sin título</title>
<script type="text/javascript">
function suma()
{
a =parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a+b);
form1.t3.value = r;
}
function resta()
{
a = parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a-b);form1.t3.value = r;
}
function mult()
{
a = parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a*b);
form1.t3.value = r;
}
function div()
{
a =parseFloat(form1.t1.value);
b = parseFloat(form1.t2.value);
r = (a/b);
form1.t3.value = r;
}
</script>
</head>
<body>
<form id="form1" name="form1" method="post" action="">
<tablewidth="382" border="1" align="center">
<tr>
<td colspan="2">N1:
<label for="t1"></label>
<input type="text" name="t1" id="t1"/></td>
<td colspan="2">N2:
<label for="t2"></label>
<input type="text" name="t2" id="t2" /></td>
</tr>
<tr>
<tdwidth="85" align="center"><input type="button" name="button" id="button" value="+" onclick="suma()" /></td>
<td width="92" align="center"><input type="button"name="button2" id="button2" value="-" onclick="resta()" /></td>
<td width="91" align="center"><input type="button" name="button3" id="button3" value="X" onclick="mult()" /></td><td width="86" align="center"><input type="button" name="button4" id="button4" value="/" onclick="div()" /></td>
</tr>
<tr>
<td colspan="4"...
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