JavaScript/fetch.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
<!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>
    const URL="https://api.github.com/users/vishal-vaish";

    //Fetch return a promise
    //fetch is asynchronous
    const userData=fetch(URL);
    console.log("Another task");
    console.log("user Data",userData);

    userData.then(data=>{
        console.log("Fetch Data",data);
        //Fetch return readable stream that needs to be converted to plain object
        //json() also return a promise
        return data.json();
    }).then((finalData)=>{
        console.log("Final Data is",finalData)
        const image=document.createElement("img");
        image.setAttribute("src",finalData.avatar_url);
        document.querySelector("body").appendChild(image)
    })

</script>