Fetch vs Axios

Fetch aur Axios, dono hi web requests banane ke liye use hote hain, lekin inme kuch differences hain. Chalo inke baare me discuss karte hain:

Fetch:

1. Browser Support: Fetch modern browsers me built-in hota hai, iska matlab hai ki aapko koi extra library install nahi karni padti.
2. API Design: Fetch ka API simple aur straightforward hota hai, promises ke saath kaam karta hai.
3. Error Handling: Fetch sirf network errors handle karta hai. HTTP errors ko handle karne ke liye manually check karna padta hai.

   fetch('https://api.example.com/data')
     .then(response => {
       if (!response.ok) {
         throw new Error('Network response was not ok');
       }
       return response.json();
     })
     .then(data => console.log(data))
     .catch(error => console.error('There was a problem with your fetch operation:', error));

4. Request/Response Transformation: Fetch me request aur response ko transform karna thoda cumbersome ho sakta hai, kyunki aapko manually headers aur options set karne padte hain.

Axios:

1. Library: Axios ek third-party library hai, jo aapko install karni padti hai (npm install axios).
2. API Design: Axios ka API thoda user-friendly aur feature-rich hai, aur ye promises ke saath bhi kaam karta hai.
3. Error Handling: Axios HTTP errors ko automatically handle karta hai, aur response status ke according errors throw karta hai.

   axios.get('https://api.example.com/data')
     .then(response => console.log(response.data))
     .catch(error => console.error('There was a problem with your Axios request:', error));

4. Interceptors: Axios me request aur response interceptors ka support hota hai, jo aapko requests ko modify karne aur error handling ko customize karne ki suvidha deta hai.
5. Request/Response Transformation: Axios me data ko automatically JSON me transform kar diya jata hai, aur headers ko set karna bhi aasan hota hai.
6. Browser Compatibility: Axios me older browsers ka support bhi hota hai, jo fetch me nahi hota.

Summary:

• Fetch: Built-in, simple API, limited error handling, requires manual transformations.
• Axios: Third-party library, feature-rich API, better error handling, automatic transformations, supports older browsers.

In dono me se aap apni requirement aur preference ke hisaab se choose kar sakte hain. Agar aapko basic use case ke liye kuch chahiye jo modern browsers me kaam kare, to fetch kaafi hai. Agar aapko zyada features aur better error handling chahiye, to Axios better choice hai.

Feature/Aspect	Fetch	Axios
Support	Modern browsers aur Node.js me native hai	Installation via npm ya CDN required hai
Syntax	Promise return karta hai; response parsing required	Promise return karta hai; response data directly available hota hai
Response Handling	Manual parsing (e.g., response.json())	Automatic JSON parsing; response data property me hota hai
Error Handling	Sirf network errors pe reject karta hai; HTTP errors ko manually handle karna padta hai	HTTP errors (e.g., 404, 500) pe automatically reject karta hai
Request Configuration	Basic configuration; complex setups ke liye zyada code likhna padta hai	Rich configuration options (headers, timeouts, etc.) available hain
Features	Limited; request cancelation ya timeout ka built-in support nahi hai	Bohot saare features hain jaise request cancelation, interceptors, aur timeouts ka support
Interceptors	Available nahi hai	Request aur response interceptors ka support available hai
Cancelation	Manual implementation required	Built-in cancelation with CancelToken
Timeout	Manual implementation required	Built-in timeout support
Browser Compatibility	Modern browsers; older browsers me polyfills ki zarurat hoti hai	Older browsers ko support karta hai bina additional polyfills ke
Data Transformation	Manual transformation required	Automatic transformation for JSON data
XSRF Protection	Available nahi hai	Built-in support for XSRF protection

Yeh table fetch aur axios ke main differences aur features ko highlight karta hai, jo aapko apni zarurat ke hisaab se sahi tool choose karne me madad karega.