What connects external JavaScript

The "script" tag is connected to external JavaScript

With the development of the Internet, more and more websites are beginning to use JavaScript to enhance user experience and interactivity. JavaScript can be written within the "<script>" tag in the HTML file, or it can be written in an external JavaScript file and then connected to the HTML file. The way to introduce external JavaScript files is to connect them using the "<script>" tag in HTML. </script>

The "<script>" tag is the main way to connect JavaScript files in HTML. Its function is to tell the browser whether there is a script file in the HTML page. When the browser discovers the "<script>" tag, it attempts to load the JavaScript file connected to the tag and then executes the code in the file. </script>

The method of using the "<script>" tag to connect an external JavaScript file is very simple. You only need to add the following code to the HTML document: </script>

<script src="pathto/script.js"></script>

Among them, the "src" attribute points to the path URL, tells the browser which JavaScript file to load. It should be noted that the path of the script file should be relative to the HTML file. For example, if the JavaScript file is in the same directory as the HTML file, you can set the path to "./script.js".

In addition, the "<script>" tag can also write JavaScript code directly in the HTML file, and these codes will be directly embedded into the HTML file. For example: </script>

<script>
    document.write("Hello, World!")
</script>

The above code will be executed when the page is loaded, and "Hello, World!" will be output to the page.

To summarize, the main way to connect to external JavaScript is to use the "<script>" tag in HTML. This tag can use the "src" attribute to connect to external JavaScript files, or you can write JavaScript directly in the HTML file. code. No matter which method is used, it can help us better use JavaScript in web pages. </script>

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