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Should JavaScript be in HTML file?
When working with files for the web, JavaScript needs to be loaded and run alongside HTML markup. This can be done either inline within an HTML document or in a separate file that the browser will download alongside the HTML document.
Should I use external JavaScript?
To enhance performance, try to keep JavaScript external. The separate code makes it easier for web browsers to cache. However, use inline scripts only when you’re making single page websites. Still, it’s better to use external code i.e. external JavaScript.
Why are external scripts preferable to scripts added directly within an HTML file?
External scripts Gives better separation of concerns and maintainability. The async and defer attributes have effect so if this attributes are present the script will change the default behavior. This is not possible with inline scripts.
How to use external “.JS ” files in an HTML file?
How to use external “.js” files in an HTML file? Create external JavaScript file with the extension .js. After creating, add it to the HTML file in the script tag. The src attribute is used to include that external JavaScript file. If you have more than one external JavaScript file, then add it in the same web page to increase performance
How to include JavaScript in an HTML file?
Here is an example to show how you can include an external JavaScript file in your HTML code using script tag and its src attribute. To use JavaScript from an external file source, you need to write all your JavaScript source code in a simple text file with the extension “.js” and then include that file as shown above.
When to use an external script in JavaScript?
External scripts are practical when the same code is used in many different web pages. JavaScript files have the file extension .js. To use an external script, put the name of the script file in the src (source) attribute of a
Is it better to put the JS code on the HTML file?
This can still be faster than another request. Multiple small images (icons, buttons) can be combined into a single image, and then extracted as sprites. Images can be reduced by the server to the size in which they are actually used on the website, which saves bandwidth. Compare thumbnail images.