java/lesson6.html at master · avtohem/java · 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
<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title>Getting Started wiht JAVA Script</title>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  </head>
  <body>

    <div class="jumbotron text-center">
      <button type="button" class="btn btn-danger" onclick="sayHello('First button SAY')">
        My Button
      </button>
    </div>

    <div class="jumbotron text-center">
      <button type="button" class="btn btn-danger" onmouseover="sayHello('SECOND button SAY')">
        My Button
      </button>
    </div>

    <script>
    function sayHello(message = 'goodby', whisper = false){
      if (whisper){
          console.log(`%c${message}`,'font-size:5px');
      } else {

        console.log(message);
      }

    }

    sayHello('hello',true);

    sayHello();

    sayHello('hello');


    // function squared(a){
    //   return a*a;
    // }

    const squared = function(a){
      return a*a;
    }

    rect = squared

    // anlog syntax

    const cube = (a) => {
      return a*a*a;
    }

    console.log(squared(3));


    //in java function may be called BEFORE it's declared


    punch();

    function punch(){
      console.log('Punch');
    }

    </script>

  </body>
</html>