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  1. W3School
    https://www.w3schools.com › html › html_scripts.aspこの結果を翻訳する

    HTML JavaScript - W3Schools

    How to add JavaScript to HTML file?

    Browser output (before click) Browser output (after click) In the above example, we added functionality to the button by making it trigger an alert dialog when clicked. There are two ways to add javascript to your HTML file. We can add Javascript to the HTML document by writing it inside a <script> tag. For example,

    programiz.com
    Adding JavaScript in HTML Document - GeeksforGeeks

    For larger projects or when reusing scripts across multiple HTML files, you can place your JavaScript code in an external .js file. This file is then linked to your HTML docu…

    GeeksForGeeks
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    JavaScript is a powerful scripting language used to make web pages more dynamic and interactive. It can be embedded directly within HTML documents or linked as an external file. Here’s how you can incorporate JavaScript into your HTML files.

    Embedding JavaScript Directly in HTML

    To add JavaScript code directly into an HTML document, you use the <script> tag. This tag can be placed either in the <head> or <body> section of your HTML document, depending on when you want the script to be executed.

    Example: Inline JavaScript

    Here’s an example of embedding JavaScript within the <head> section of an HTML document:

    <!DOCTYPE html>
    <html lang="en">
    <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Today's Date</title>
    <script>
    let d = new Date();
    alert("Today's date is " + d);
    </script>
    </head>
    <body>
    </body>
    </html>
    コピーしました。

    In this example, the JavaScript code creates a new Date object and displays an alert with the current date when the page loads.

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  2. GeeksForGeeks
    https://www.geeksforgeeks.org › javascri…この結果を翻訳する

    Adding JavaScript in HTML Document - GeeksforGeeks

    2019年3月13日 · For larger projects or when reusing scripts across multiple HTML files, you can place your JavaScript code in an external .js file. This file is then …

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

    Add JavaScript to your web page - HTML | MDN - MDN Web Docs

    2025年9月11日 · Take your webpages to the next level by harnessing JavaScript. Learn in this article how to trigger JavaScript right from your HTML documents.

  4. Stack Overflow
    https://stackoverflow.com › questionsこの結果を翻訳する

    javascript - Include another HTML file in a HTML file - Stack Overflow

    2012年1月24日 · I have 2 HTML files, suppose a.html and b.html. In a.html I want to include b.html. In JSF I can do it like that: <ui:include src="b.xhtml" /> It means that inside a.xhtml file, I can inclu...

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    • TutorialsPoint
      https://www.tutorialspoint.com › article › How-to-use-exter…この結果を翻訳する

      How to use external “.js” files in an HTML file?

      It allows site designers and developers to work with HTML and js files in parallel and independently, avoiding code conflicts. The code becomes shorter since we simply need to indicate the location of …

    • Programiz
      https://www.programiz.com › html › html-and-javascriptこの結果を翻訳する

      HTML and Javascript (With Examples) - Programiz

      We can also use an external javascript file in our HTML document. To add an external script, we provide the location of the JS file to the src attribute of a <script> tag.

    • DigitalOcean
      https://www.digitalocean.com › ... › tutori…この結果を翻訳する

      How to Add JavaScript to HTML for Beginners

      2025年7月13日 · Learn how to add JavaScript to HTML using script tags, inline code, and external files. Follow step-by-step examples.

    • Delft Stack
      https://www.delftstack.com › howto › jav…この結果を翻訳する

      How to Load an External HTML File Using JavaScript

      2024年2月2日 · This article demonstrates how to load an external html file using JavaScript and jQuery.

    • valex.github.io
      https://valex.github.io › script_tag.htmlこの結果を翻訳する

      Understanding JavaScript Inclusion in HTML: Embedding Scripts, …

      Learn how to effectively include JavaScript in your web pages using the script-tag and understand the benefits of dynamically loading scripts. Explore techniques such as direct embedding and external file …

    • iifx.dev
      https://iifx.dev › ja › articles

      javascript - 知らないと損！HTMLファイルのインクルー …

      2025年7月17日 · 残念ながら、HTML自体にはJSFの<ui:include>のような「別のHTMLファイルを直接読み込むタグ」は標準で用意されていません。 HTMLは …

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