How To Defer Inline Javascript

If you're a developer looking to optimize your code and improve the performance of your web applications, knowing how to defer inline JavaScript can make a big difference. By deferring inline JavaScript, you can ensure that your scripts are loaded and executed at the right time, improving page load times and overall user experience.

First things first, let's understand the concept of deferring inline JavaScript. When you include JavaScript code directly within your HTML file, it can block the rendering of the page until the script has been loaded and executed. This can lead to slower loading times and a less responsive user experience. By deferring JavaScript, you're essentially telling the browser to load and execute the script after the HTML content has been fully rendered, thus improving performance.

There are a few different ways you can defer inline JavaScript in your web applications. One common approach is to use the `defer` attribute in your script tags. When you include the `defer` attribute in your script tags, you're instructing the browser to download the script in the background while parsing the HTML content, and then execute the script after the document has been fully loaded.

Here's an example of how you can defer inline JavaScript using the `defer` attribute:

// Your inline JavaScript code here

By adding the `defer` attribute to your script tag, you're ensuring that the script will be deferred and executed after the document has been fully loaded. This can help improve the loading times of your web page and provide a smoother user experience.

Another way to defer inline JavaScript is by using the `async` attribute. Unlike the `defer` attribute, scripts with the `async` attribute will be downloaded asynchronously while the HTML content is being parsed. This means that the script will be executed as soon as it's downloaded, regardless of whether the HTML content has finished loading.

Here's an example of how you can defer inline JavaScript using the `async` attribute:

// Your inline JavaScript code here

When using the `async` attribute, keep in mind that the order of script execution may not be guaranteed, so make sure your scripts don't rely on a specific execution order.

In conclusion, knowing how to defer inline JavaScript can help you optimize the performance of your web applications and provide a faster and more responsive user experience. Whether you choose to use the `defer` attribute or the `async` attribute, implementing these techniques can make a real difference in the way your web pages load and function. Experiment with these approaches in your projects, and see the positive impact on your users' experience.