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    You can make HTTP requests directly from the JavaScript console using built-in browser APIs like fetch() or XMLHttpRequest. This allows you to send and receive data from APIs without reloading the page.

    Example – Using fetch() in the console:

    fetch("https://jsonplaceholder.typicode.com/posts/1")
    .then(response => {
    if (!response.ok) throw new Error("Network error");
    return response.json();
    })
    .then(data => console.log(data))
    .catch(error => console.error(error));
    コピーしました。

    This sends a GET request to a test API and logs the JSON response.

    1. Using fetch() (Modern & Recommended) The fetch() API is promise-based, built into modern browsers, and supports GET, POST, PUT, DELETE, etc. Example POST request:

    fetch("https://jsonplaceholder.typicode.com/posts", {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify({ title: "Demo", body: "Hello World", userId: 1 })
    })
    then(res => res.json())
    then(data => console.log(data))
    catch(err => console.error(err));
    コピーしました。

    It’s concise and works well with async/await for cleaner syntax.

    A Guide to JavaScript HTTP Requests - Kinsta

    In this tutorial, you'll learn the various ways in which you can make HTTP requests to remote serv…

    Kinsta
    How to send HTTP requests using jQuery?

    Aside from the built-in methods, you can also send HTTP requests using third-party libraries. For instance, this is how you can send a GET request using jQuery: console.log(data); }).fail(function (error) { console.error("Error:", error); }); jQuery is one of the most popular JavaScript libraries.

    freecodecamp.org
    GeeksForGeeks
    https://www.geeksforgeeks.org › javascript › how-to-make-a-http-request-in-javascriptこの結果を翻訳する

    How to Make a HTTP Request in JavaScript?

  1. Kinsta
    https://kinsta.com › blog › javascript-http-r…この結果を翻訳する

    A Guide to JavaScript HTTP Requests - Kinsta

    2025年10月1日 · In this tutorial, you'll learn the various ways in which you can make HTTP requests to remote servers and perform CRUD operations in JavaScript.

  2. FreeCodecamp
    https://www.freecodecamp.org › news › how-to-send-http-r…この結果を翻訳する

    How to Send HTTP Requests Using JavaScript - freeCodeCamp.org

    2024年7月10日 · The fetch API is the modern and standard way of making HTTP requests using JavaScript. It has a relatively simple syntax, which makes your project easier to maintain.

  3. Mozilla Developer
    https://developer.mozilla.org › en-US › docs › Web › API › Fe…この結果を翻訳する

    Using the Fetch API - Web APIs | MDN - MDN Web Docs

    2025年8月20日 · The Fetch API provides a JavaScript interface for making HTTP requests and processing the responses.

  4. DEV Community
    https://dev.to › oneminchこの結果を翻訳する

    HTTP Requests in JavaScript - DEV Community

    2023年10月24日 · JavaScript has a set of great tools and methods that allow us to …

    • itserv.dev
      http://itserv.dev › post › guide-to-javascript-http-requestsこの結果を翻訳する

      A Guide to JavaScript HTTP Requests - itserv.dev

      In summary, POST requests are used to create new resources, while PUT requests are used to update or replace existing resources. PUT requests are idempotent, meaning they can be safely retried without …

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      JavaScriptでHTTPリクエストを実行する方法 - Kinsta

      2025年10月2日 · 今回は、リモートサーバーにHTTPリクエストを行い、 JavaScript でCRUD操作を行う方法をご紹介します。 各セクションで、HTTPリクエスト送 …

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      JavaScript Get Request – How to Make an HTTP Request in JS

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