Javascript/Js-Form-Events.html at master · srinureddy7/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
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <style>
      * {
        text-align: center;
      }
    </style>
    <title>Form Events</title>
  </head>
  <body>
    <form action="" onsubmit="submitFunction()">
      <label for="">Name </label
      ><input
        type="text"
        value="Yahoo Baba"
        id="fname"
        onfocus="focusFunction(this)"
        onblur="blurFunction(this)"
        onchange="changeFunction(this)"
        onselect="selectFunction()"
        oninvalid="alert('please enter the name')";
        required
      /><br /><br />
      <label for="">Class </label
      ><input
        type="email"
        id=""
        onfocus="focusFunction(this)"
        onblur="blurFunction(this)"
        required
      /><br /><br />
      <label for="">Country </label
      ><select
        id=""
        onfocus="focusFunction(this)"
        onblur="blurFunction(this)"
        onchange="changeFunction(this)"
      >
        <option value="India">India</option>
        <option value="Pakistan">Pakistan</option>
        <option value="Bangladesh">Bangladesh</option>
        <option value="China">China</option></select
      ><input type="submit" />
      <br />
    </form>
    <div id="test" style="border: 1px solid red"></div>

    <script>
      // function focusFunction(){
      //     document.getElementById("fname").style.background = "lime";

      function focusFunction(element) {
        element.style.background = "lime";
      }
      function blurFunction(element) {
        element.style.background = "";
      }
      function inputFunction() {
        var x = element.value;
        document.getElementById("test").innerHTML = x;
      }
      function changeFunction(element) {
        var x = element.value;
        document.getElementById("test").innerHTML = x;
      }
      function selectFunction() {
        console.log("You selected some text.");
      }
      function submitFunction() {
        var x = document.getElementById("fname").value;
        alert("Hello " + x);
      }
    </script>
  </body>
</html>