JavaScript-Web-Dev-/tut50.html at main · anandbhalerao18/JavaScript-Web-Dev- · 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
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Javascript string functions</title>
    <style>

    </style>
</head>
<body>

    <script>
        var str = "This is a string"
        console.log(str)


        // first occournce of sub string
        var position = str.indexOf('is');
        console.log(position)

        // last occournce of sub string
        var position = str.lastIndexOf('is');
        console.log(position)

        // substring from a string
        // var substr = str.slice(1,6)
        // var substr = str.substring(1,6)
        var substr1 = str.substr(1,3)
        console.log(substr1);

        // var replaced = str.replace('string', 'anand')
        // console.log(str)
        // console.log(replaced)

        // console.log(str.toUpperCase())
        // console.log(str.toLowerCase())

        // var newString = str.concat('New string')
        // console.log(newString);

        // var strWithWhitespaces = " This contain                 white spaces"
        // console.log(strWithWhitespaces)
        // console.log(strWithWhitespaces.trim())

        // var char2 = str.charAt(2);
        // var char2 = str.charCodeAt(2);
        // console.log(char2);

        console.log(str[3])

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