React NativeNetworking & Data Fetching

91 items

1

async/await with Fetch

Code Quiz
2

Dependency Array for Refetch

Code Quiz
3

Fetching Data in useEffect

Code Quiz
4

Axios vs Fetch Response Shape

Code Quiz
5

Empty and Error UI States

Code Quiz
6

Storing Fetched Data in State

Code Quiz
7

Parsing JSON Response

Code Quiz
8

Query Parameters in URLs

Code Quiz
9

Timeout Handling for Requests

Code Quiz
10

Rendering a List with FlatList

Code Quiz
11

FormData for File Upload

Code Quiz
12

Pull-to-Refresh with RefreshControl

Code Quiz
13

Handling HTTP Errors with response.ok

Code Quiz
14

try/catch for Network Calls

Code Quiz
15

Manual Refetch via Trigger Function

Code Quiz
16

Loading State During Fetch

Code Quiz
17

Fetch API GET Request

Code Quiz
18

Cancellation with AbortController

Code Quiz
19

Fetch POST with Body

Code Quiz
20

Connectivity Check with NetInfo

Code Quiz
21

Authorization Token in Headers

Code Quiz
22

Infinite Scroll with onEndReached

Code Quiz
23

Promise .then/.catch Chaining

Code Quiz
24

Avoiding State Update After Unmount

Code Quiz
25

Setting Request Headers

Code Quiz
26

Axios GET Request Basics

Code Quiz
27

Debugging Network Requests

Quiz
28

Request Timeouts and Retry Logic

Slides / Video
29

iOS ATS & Android Cleartext HTTP

Slides / Video
30

Detecting Offline State with NetInfo

Slides / Video
31

Environment-Based API Base URLs

Slides / Video
32

Auth Tokens in Request Headers

Slides / Video
33

Uploading Files and FormData

Slides / Video
34

WebSocket Connections for Real-Time Data

Slides / Video
35

Pull-to-Refresh with RefreshControl

Slides / Video
36

Pagination and Infinite Scroll

Slides / Video
37

Caching and Refetching Strategies

Slides / Video
38

React Query for Server State

Slides / Video
39

Cleaning Up Fetch on Component Unmount

Slides / Video
40

Cancelling Requests with AbortController

Slides / Video
41

Using Axios as an HTTP Client

Slides / Video
42

Catching Fetch Errors with try/catch

Slides / Video
43

Handling HTTP Errors and Status Codes

Slides / Video
44

Configuring Request Headers and Body

Slides / Video
45

HTTP Methods: GET, POST, PUT, DELETE

Slides / Video
46

Async/await for network calls

Quiz
47

Managing UI fetch states

Quiz
48

Parsing JSON responses

Quiz
49

Uploading files with FormData

Quiz
50

Pull-to-refresh with RefreshControl

Quiz
51

Building query strings

Quiz
52

Infinite scroll with onEndReached

Quiz
53

WebSockets for real-time data

Quiz
54

Cancelling requests on unmount

Quiz
55

Cleartext HTTP and ATS

Quiz
56

Avoiding updates after unmount

Quiz
57

axios vs fetch

Quiz
58

Sending a POST request

Quiz
59

Checking response.ok

Quiz
60

Try/catch for failed requests

Quiz
61

Setting request headers

Quiz
62

Caching fetched data locally

Quiz
63

Handling request timeouts

Quiz
64

Basic fetch GET request

Quiz
65

React Query basics

Quiz
66

Detecting connectivity with NetInfo

Quiz
67

async/await for Network Calls

Slides / Video
68

Parsing JSON with response.json()

Slides / Video
69

Fetch API for HTTP Requests

Slides / Video
70

Pagination and infinite scroll

Flashcard
71

Async/await with fetch

Flashcard
72

Loading, success, error states

Flashcard
73

Handling network errors

Flashcard
74

Per-environment base URLs

Flashcard
75

Using the Fetch API

Flashcard
76

Detecting connectivity with NetInfo

Flashcard
77

POST, PUT, DELETE requests

Flashcard
78

Offline caching and request queueing

Flashcard
79

Debugging network requests

Flashcard
80

Setting request headers

Flashcard
81

Uploading files with FormData

Flashcard
82

Axios as an HTTP client

Flashcard
83

Axios interceptors

Flashcard
84

Handling request timeouts

Flashcard
85

WebSockets for real-time data

Flashcard
86

Parsing JSON responses

Flashcard
87

Network security config

Flashcard
88

Cancelling requests with AbortController

Flashcard
89

Auth tokens and refresh flow

Flashcard
90

Caching and refetching

Flashcard
91

Pull-to-refresh with RefreshControl

Flashcard
Code QuizBeginner

try/catch for Network Calls

Find why errors from the fetch escape this try/catch block.

Codejavascript
function load() {
  try {
    fetch('https://api.example.com/data')
      .then(res => res.json())
      .then(data => console.log(data));
  } catch (err) {
    console.error(err);
  }
}

What is the bug in this error-handling code?