JavaScript/setTimout.html at master · vishal-vaish/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
<!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>Document</title>
</head>
<body>

</body>
</html>

<script>
    //We can make Javascript Asynchronus

    //Achieving more than one task at a time
    //Single Thread

    //after 3 seconds I want tp print Hello World

    console.log(1);
    //settimeout(callback,timeinmillisecond)
    //1ms=1000s

    setTimeout(()=>{
        console.log("Hello World");
    },3*1000);
    //When these many seconds are completed than only the function is executed

    console.log(3);

    //output
    //1
    //3
    //Hello World

    //where setInterval excute the function after every given second
    const intervalid=setInterval(()=>{
        console.log("Hello World how are you");
    },1*1000);

    setTimeout(()=>{
        //to stop this interval
        clearInterval(intervalid);
    },10*1000);

    console.log(6);


</script>