JavaScript tutorial: Strategies for loading specific sections of a webpage initially

Many native apps, such as those on iOS, include a welcome page to keep users entertained while the app is loading.

Currently, I am working on a Ruby on Rails web application (yes, it's a website!)

I would like to incorporate a welcoming page into my web app so that users can enjoy themselves while waiting for the rest of the site to load.

A welcoming page consists of its own HTML, CSS, and JavaScript. How can I ensure that these elements are loaded first before quietly rendering the remaining content?

javascripthtmlcss

Answer №1

The website iHateTomatoes offers a step-by-step guide on creating a custom preloading screen using CSS3 and JavaScript. Check out their tutorial for more information.

Answer №2

To ensure your website loads quickly, avoid having the loading page contain separate html, css and js files. Instead, implement a fixed positioned div on top of your current site to house your preloader animation. Use CSS to hide the main part of the site until all images have loaded. Utilize a tool like the imageReady plugin to receive a callback once all images are loaded. At that point, reveal the main site, remove the loader div, and display the fully loaded page. This approach can be easily turned into a reusable solution that functions consistently across all pages of your site.

Answer №3

If you're looking to develop a web application, a good starting point could be the Firefox WebIDE examples:

You can access these examples by navigating to Tools -> Web Developer -> WebIDE. There, you have the option to create an example app that loads scripts after the page has been displayed using the following code:

    <script type="text/javascript" src="js/app.js" defer></script>

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