Suchergebnisse

asyncfunctiongetData() {try{constresponse =awaitfetch('http://test.test');// Check if the request was successful (status 200-299)if(!response.ok) {thrownewError(`HTTP error! Status: ${response.status}`); }// Parse the response body as JSONconstdata =awaitresponse.json(); console.log(data); }catch(error) { console.error('Fetch error:', error); } } getData();

Verwende Code mit Vorsicht.

POST Request with Options

To send data, you pass an optionaloptions objectas the second argument.

javascript

asyncfunctionpostData() {constresponse =awaitfetch('http://test.test', { method:'POST', headers: {'Content-Type':'application/json'}, body: JSON.stringify({ name:'John Doe', age:30}) });constresult =awaitresponse.json(); console.log(result); }

Verwende Code mit Vorsicht.

Key Components

fetch(url): Initiates the request to the specified resource.
response.ok: A boolean that istrueif the HTTP status is in the 200–299 range.
response.json(): An asynchronous method that parses the response body into a JavaScript object.
Error Handling: Thefetch()promise only rejects onnetwork failures(like no internet). It doesnotreject for HTTP errors like 404 or 500, so you must checkresponse.okmanually.

For more detailed technical documentation, refer to theMDN Web Docs on Fetch API.

Using the Fetch API - MDN Web Docs
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