If you want to make JavaScript as a preloader for a website for your project then you need to check this article and example. Also, we attached a file for you, you can download and will get full resources.

So, we can get from this article all solutions like how to make a website preloader using JavaScript, how to create a preloader in JavaScript, and How to create a preloader for my website? How to create a loading animation in JavaScript, how to set preloader time in HTML, and how to create a custom preloading screen for a website.

Page preloader JavaScript

In my opinion, the advantage of using a preloader on website pages is very good because it does not allow us to hunt first when we see our website looks random because all the code is not fully loaded, with a preloader the website page will be completely closed. And when all the code has been loaded by the browser the preloader will automatically disappear from the viewer’s view.

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The disadvantages of using a preloader on website pages, in my opinion, can be annoying and irritating for visitors when the visitor’s internet connection is slow and the loading animation is seen which we just display rotating and this preloader will disappear if the site page is fully loaded.

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Create a preloader in JavaScript

Now, you can follow this below step-by-step process for making a website preloader using JavaScript

Firstly, create a new document in HTML format and then make all the coding into your HTML file.

Secondly, Write the HTML structure in the document.

Thirdly, then also write a few lines of CSS code in the same tag, namely the <head> tag.

          position: fixed;
         top: 0;
          bottom: 0;
          left: 0;
        right: 0;
          display: flex;
          justify-content: center;
        align-items: center;
         background:rgba(0,0,0, .5);
          display: none;
         width: 200px;
          height: 200px;
          border: 20px solid black;
         border-radius: 50%;
          border-top-color: #2980b9;
          border-right-color: #d35400;
          border-bottom-color: #16a085;
          border-left-color: #c0392b;
          animation: ronspin 2s linear infinite;
        @keyframes ronspin{
             transform: rotate(0turn);
             transform: rotate(1turn);

Fourthly, Display the preloader in the <body> tag.

   <div class="preloader">

  <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quod maxime eaque sit ullam cupiditate nulla iste itaque voluptatibus fugiat accusantium est, commodi cumque dignissimos temporibus id voluptas impedit fuga qui.</p>


Fifthly, if appropriate then please run the HTML document in the browser

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Lastly, copy and paste below JavaScript code into your HTML file

        window.addEventListener("load",function (){
             let preloader=document.querySelector(".preloader");

Finally, open your HTML file in your browser. Also, I attached a zip file for your help, so please click the download link to get JavaScript preloader resources.


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