javascript-demo/Calculator.html at master · SaiSriRohit143/javascript-demo · 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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .title{
  border-radius: 10px;
  margin-bottom: 10px;
  text-align:center;
  width: 210px;
  color:#ff4456;
  border: solid black 1px;
  }
  input[type="button"]
  {
  border-radius: 10px;
  background-color:#ff4456;
  color: black;
  border-color:aqua;
  width:100%;
  }
  input[type="text"]
  {
  border-radius: 10px;
  text-align: right;
  background-color:white;
  border-color: black ;
  width:100%
  }
    </style>
    <script>
        function dis(val){
            document.getElementById("edu").value+=val;

        }
        function solve(){
            let x = document.getElementById("edu").value
            let y = eval(x)
            document.getElementById("edu").value = y
        }
        function clr(){
            document.getElementById("edu").value = " "
        }
    </script>
</head>
<body>
    <div class = title >JavaScript Calculator</div>
    <table style="border: 1;">
    <tr>
    <td><input type="button" value="c" onclick="clr()"/> </td>
    <td colspan="3">
        <input type="text" id="edu"/></td>
    <!-- clr() function will call clr to clear all value -->
    </tr>
    <tr>
    <!-- creating buttons and assigning values-->
        <td><input type="button" value="+" onclick="dis('+')"></td>
        <td><input type="button" value="1" onclick="dis('1')"></td>
        <td><input type="button" value="2" onclick="dis('2')"></td>
        <td><input type="button" value="3" onclick="dis('3')"></td>
     </tr>
     <tr>
        <td><input type="button" value="-" onclick="dis('-')"></td>
        <td><input type="button" value="4" onclick="dis('4')"></td>
        <td><input type="button" value="5" onclick="dis('5')"></td>
        <td><input type="button" value="6" onclick="dis('6')"></td>
     </tr>
     <tr>
        <td><input type="button" value="*" onclick="dis('*')"></td>
        <td><input type="button" value="7" onclick="dis('7')"></td>
        <td><input type="button" value="8" onclick="dis('8')"></td>
        <td><input type="button" value="9" onclick="dis('9')"></td>
     </tr>
     <tr>
        <td><input type="button" value="/" onclick="dis('/')"></td>
        <td><input type="button" value="." onclick="dis('.')"></td>
        <td><input type="button" value="0" onclick="dis('0')"></td>
        <td><input type="button" value="=" onclick="solve()"></td>
     </tr>
</body>
</html>