javascript/Task-3.html at main · ThejashwiniiR/javascript · 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
<html>
    <head>
        <title></title>
        <style>
            .q{
                font-size: x-large;
                margin-top: 100px;
                margin-left: 100px;
            }
            .w{
                border: 2px solid black;
            }
        </style>
    </head>
    <body>
        <form onclick="return valid()">
            <table class="q">
                <tr>
            <td>Name: </td>
            <td><input type="text" id="i1" class="w"></td>
            <td id="o1"></td>
            </tr>
            <tr>
            <td>Email: </td>
            <td><input type="email" id="i2" class="w"></td>
            <td id="o2"></td>
            </tr>
            <tr>
           <td>Website: </td>
           <td><input type="url" id="i3" class="w"></td>
           <td id="o3"></td>
           </tr>
           <tr>
            <td>Message: </td>
            <td><textarea rows="4" cols="20" id="i4" class="w"></textarea></td>
            <td id="o4"></td>
            </tr>
            <tr>
            <td></td>
            <td><button >submit</button></td>
            </tr>
            </table>
        </form>
        <div></div>
        <script>
           function valid()
           {
            var a=document.getElementById('i1').value;
            var b=document.getElementById('i2').value;
            var c=document.getElementById('i3').value;
            var d=document.getElementById('i4').value;
            if(a.length==0){
                const a1 = document.getElementById('i1');
                a1.style.borderColor = 'red';
                document.getElementById('o1').innerHTML="This field is required";
                document.getElementById('o1').style.color='red';
            }
            if(b.length==0){
                const a1 = document.getElementById('i2');
                a1.style.borderColor = 'red';
            document.getElementById('o2').innerHTML="A valid email address is required";
            document.getElementById('o2').style.color='red';
            }
            if(c.length==0){
                const a1 = document.getElementById('i3');
                a1.style.borderColor = 'red';
            document.getElementById('o3').innerHTML="A valid url is required";
            document.getElementById('o3').style.color='red';
            }
            if(d.length==0)
            {
                const a1 = document.getElementById('i4');
                a1.style.borderColor = 'red';
                document.getElementById('o4').innerHTML="This field is required";
                document.getElementById('o4').style.color='red';
                return false;
            }
            return true;
        }
        </script>
    </body>
</html>