Web/calsw.html at master · dhauni/Web · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
<html>
<head>
<script>
function cal(ax){
var a=document.getElementById("first").value;
var b=document.getElementById("second").value;
switch(ax)
{
case '+':
	var c =Number(a)+Number(b);
	break;
case '-':
	var c =Number(a)-Number(b);
	break;
case  '*':
	var c =Number(a)*Number(b);
	break;
case '/':
	var c =Number(a)/Number(b);
	break;
default:

}
document.getElementById("result").innerHTML = c;
}
</script>
</head>
<body>
<h1>Calculator</h1>

<div>First number:<input type="text" name="first" id="first"><br><br></div>
<div>Second number : <input type="text" name="second" id="second"><br><br></div>
<div><button onclick="cal('+')">+</button>
<button onclick="cal('-')">-</button>
<button onclick="cal('*')">*</button>
<button onclick="cal('/')">/</button>
</div>
<p id="result"></p>
</body>
</html>