The names of all synchronous functions end with the “Sync” characters. For example, writeFileSync and readFileSync are both synchronous functions. JavaScript Object Notation (JSON) is one of the most popular formats for data storage and data interchange over the internet. The simplicity of the JSON syntax makes it very easy for humans and machines alike to read and write. Therefore, you need to link your HTML with CSS in order to use CSS to style the elements and content of your website.

how to link to a javascript file

When I was new to frontend development, JavaScript, React, HTML, and CSS were some of the terms I often encountered. Cascading Style Sheets(CSS) is a style sheet language that is used to describe how HTML and XML documents are presented visually. Using CSS, developers can control and modify the style, appearance, and layout of elements on web pages. Alternatively, you can right-click the HTML file and select any browser from the drop-down list. Double-clicking the file also opens it with the default browser on your computer.

Loading a JSON file using the require function

JavaScript, also abbreviated to JS, is a programming language used in web development. As one of the core technologies of the web alongside HTML and CSS, JavaScript is used to make webpages interactive and to build web apps. Modern web browsers, which adhere to common display standards, support JavaScript through built-in engines without the need for additional plugins. You can place an external script reference in or as you like. Placing scripts at the bottom of the element improves the display
speed, because script interpretation slows down the display. Find centralized, trusted content and collaborate around the technologies you use most.

how to link to a javascript file

In addition to the built-in fs module, several popular third-party packages such as jsonfile, fs-extra, and bfj exist. They have additional utility functions that make working with JSON files a breeze. On the flip side, how to link to a javascript file you should evaluate the limitations of adding third-party packages to your application. In the Node runtime environment, you can use the built-in require function and fs modules for loading or reading JSON files.

#2. Internal CSS

The BBC is not responsible for the content of external sites. Because methods of the callback API are more performant than those of the promise-based API, you are better off using the callback API. You can use the retrocycle function of the circular.js package to get a copy of the original object. You need to wait until the entire file is read into memory before processing.

how to link to a javascript file

As explained in the above sections, JSON is one of the most popular formats for data exchange over the internet. The Node runtime environment has the built-in fs module you can https://deveducation.com/ use to work with files in general. The fs module has methods that you can use to read and write to JSON files using the callback API, promise-based API, or synchronous API.

Error handling is vital, especially with synchronous and promise-based APIs in conjunction with async/await because it prevents application failures. The space parameter in JSON.stringify improves JSON string readability, but it’s best avoided for network transmissions to reduce bundle size. Lastly, remember that Node.js’s promise-based API isn’t thread-safe according to its documentation. Concurrent operations on the same file might lead to issues, so use this API with caution.