JavaScript-README/index.html at main · apurv202/JavaScript-README · 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
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <input type="text" id="input">
  <button type="submit" onclick="resultFunction()">Test Input!</button>
  <p id="result"></p>

  <script>
    let resultFunction = () => {
      const result = document.getElementById("result")
      result.innerHTML = ""
      let input = document.getElementById("input").value

      try {
        if (input.trim() == "") throw "empty"
        if (isNaN(input)) throw "Not a Number!"
        input = Number(input)
        if (input < 5) throw "too low"
        if (input > 10) throw "too high"
      } catch (e) {
        result.innerHTML = "input is " + e
      } finally {
        result.innerHTML = "Done"
      }
    }
  </script>
</body>

</html>