With the development of web applications, JavaScript plays an increasingly important role in front-end development. When we start building a web application, we need to import JavaScript files to implement the front-end logic of the web application. In this article, we will discuss how to import JavaScript files and use them in web applications.
What is a JavaScript file?
A JavaScript file is a text file that contains JavaScript code for the front-end logic of a web application. JavaScript files usually have a .js file extension and contain JavaScript functions, variables, objects, etc.
Methods to import JavaScript files
JavaScript files can be imported into web applications through the following methods:
The most common and simplest method is to reference JavaScript files in the head part or body part of the HTML file. You can use script tags to include JavaScript code or link to external JavaScript files. For example:
In the above code, we use the