JavaScript/JS5.html at main · WebFusionCode/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
83
84
85
86
87
88
89
90
91
92
93
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Scope and Conditionals</title>
</head>
<body>
    <div>
        <ul>
            <li>item1</li>
            <li>item2</li>
            <li>item3</li>
            <li>item4</li>
            <li>item5</li>
            <li>item6</li>
            <li>item7</li>
        </ul>
    </div>
    <script>
        var string1 = 'This is a String';
        var string1 = 'This is a String2';
        console.log(string1)
        // scope of this is block level we can use same variale in the block {} from now we are going to use let only for global or function or normall
        // We are using let insteat of var for we know that in future coming we need to change the variable or add new variable so because of that we are let
        // let a = 'u';
        // {
        //     let a = 'u6';
        //     console.log(a)

        // }
        // console.log(a)


        // Now we are going to see cons that is constant and constant means that thing cant be changed

        const a = 'This cannot be changed';
        // a = 'I want to change this '
        // so here this a changed will not happen due to we have select the constant const var for write our string
        console.log(a)


        // Here we are going to understand the if else statement
        let age = 14;
        if(age > 18){
            console.log('You are an adult')
        }
        else if(age==2){
            console.log('You are a baby')
        }
        else if(age==14){
            console.log('You are an Teenager')
        }
        else{
            console.log('You are not an adult')
        }


        // Switch case statements

        const cups = 10  ;
        switch (cups) {
            case 4:
                console.log('The value of cups is 4')
                break;

            case 10:
                console.log('The value of cups is 10')
                break;

            case 8:
                console.log('The value of cups is 8')
                break;

            case 30:
                console.log('The value of cups is 30')
                break;

            case 33:
                console.log('The value of cups is 33')
                break;

            default:
                console.log('The value of cups is none of them')
                break;
        }

        // if we remove all the breaks then it will run akl the cases by default


    </script>
</body>
</html>