java/index.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
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
<!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">

    <style>
    body, .jumbotron {padding:30px;
    }
    body {
      background: #EFEFEF;
    }
    .content{
      background: #FFF;
      padding: 50px;
      font-size: 19px;
      line-height: 1.5;
      min-height: 3000px;

    }

    .scroll-line {
      position: fixed;
      bottom: 0;
      left: 0;
      height: 20px;
      background: #1CE;
      transition: 1s linear;
    }
    .btnUP{
      position: fixed;
      width: 100px;
      height: 50px;
      margin-right: 50px;
      margin-bottom: 50px;
      bottom: 0;
      right: 0;
    }


    </style>

  </head>

  <body>
    <div class="scroll-line">

    </div>

    <div class="container">
      <div class="content">
        Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
      </div>

    </div>

    <button type="button" class="btn btn-primary btn-danger btnUP">
      UP
    </button>


    <script>
      //grab everything we need

      const scrollLine = document.querySelector('.scroll-line');
      const buttonUP = document.querySelector('.btnUP');
      const htmlO =  document.querySelector('html')

      //difine functions

      function fillScrollLine(){
        const windowHeight = window.innerHeight;
        const fullHight = document.body.clientHeight;
        const scrolled = window.scrollY;
        const percentScrolled = (scrolled/(fullHight - windowHeight))*100;
        console.log((percentScrolled*100).toFixed(2));
        console.log(`${percentScrolled}%`);
        scrollLine.style.width = `${percentScrolled}%`;


      };

      function setScrollZero(){
        // $(`body,html`).animate({
        //   scrollTop:0
        // }, 800);
        window.scrollTo(0,0);

      }


      //add event listeners
      window.addEventListener('scroll', fillScrollLine);
      buttonUP.addEventListener('click', setScrollZero);


    </script>


  </body>
</html>