Web_dev_learn/class12.html at main · Allwina/Web_dev_learn · 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
<!-- js : cross side platform,object oriented scripting language,contains many library -->
<!-- use script tags -->
<!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">
    <title>JavaScript</title>
</head>
<body>
    <div align="center">
        <h1>Learning JavaScript</h1>

    </div>
    <!-- implementing js -->
    <script>
        //variable:store a data,var is a keyword for variable
        var num1=3265
        var num2=235.44
        // To print data in main document
        document.write(num1)
        // visible in console
        console.log(num1+num2)
        // let keyword
        let name ="Alwina"
        console.log("My first  love",name)
        const city ="Disney"
        console.log(city)
        // Functional scope
        console.log("Work assigned")
        console.log("Work Completed")
        //function-> set of code that will execute whenever it is called
        // function first()
        // {

        //     for (let i=0;i<3;i++)
        //     {
        //         console.log("Work assigned")
        //         console.log("Work Completed")
        //     }
        // }
        function first(to,by)
        {
            console.log("Work assigned to",to)
            console.log("Work completed by",by)
        }
        function add()
        {
            console.log(num1+num2)
        }
         first("Tom","aLLU")
         add()
        //  first()


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