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The concept is simple, when the text gets too long for the container, it would infinitely animate (scroll) from left to right, and repeat this processes after it reaches the end.

How should I go about making this?

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    </head>
    <body>
        <div class="auto-scroll">
            <p>
                This text should scroll. Lorem ipsum dolor sit amet consectetur adipisicing elit. Excepturi modi magni quo officia error ab veniam aspernatur. Quos ducimus, hic, maxime dicta optio quidem
                nostrum sint modi velit, ut distinctio. And return to beginning.
            </p>
        </div>

        <style>
            .auto-scroll {
                background: black;
                padding: 18px;
            }
            .auto-scroll p {
                font-family: monospace;
                font-size: 18px;
                color: white;
                margin: 0;
                white-space: nowrap;
                overflow: auto;
            }

            .auto-scroll ::-webkit-scrollbar {
                height: 10px; /* will be 0px */
            }
            .auto-scroll ::-webkit-scrollbar-track {
                background: #000;
            }
            .auto-scroll ::-webkit-scrollbar-thumb {
                background: #fff;
            }
        </style>
    </body>
</html>

The concept is simple, when the text gets too long for the container, it would infinitely animate (scroll) from left to right, and repeat this processes after it reaches the end.

How should I go about making this?

<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    </head>
    <body>
        <div class="auto-scroll">
            <p>
                This text should scroll. Lorem ipsum dolor sit amet consectetur adipisicing elit. Excepturi modi magni quo officia error ab veniam aspernatur. Quos ducimus, hic, maxime dicta optio quidem
                nostrum sint modi velit, ut distinctio. And return to beginning.
            </p>
        </div>

        <style>
            .auto-scroll {
                background: black;
                padding: 18px;
            }
            .auto-scroll p {
                font-family: monospace;
                font-size: 18px;
                color: white;
                margin: 0;
                white-space: nowrap;
                overflow: auto;
            }

            .auto-scroll ::-webkit-scrollbar {
                height: 10px; /* will be 0px */
            }
            .auto-scroll ::-webkit-scrollbar-track {
                background: #000;
            }
            .auto-scroll ::-webkit-scrollbar-thumb {
                background: #fff;
            }
        </style>
    </body>
</html>

  • javascript
  • html
  • css
Share Improve this question asked Sep 17, 2021 at 19:31 jakey_devjakey_dev 2334 silver badges12 bronze badges
Add a ment  | 

2 Answers 2

Reset to default 9

You don't need javascript you can make it in css like this following code

div{
    width: 100%;
    background-color: black;
    white-space: nowrap;
    overflow: hidden;
    box-sizing: border-box;
}
p{
    display: inline-block;
    color: #FFF;
    padding-left: 100%;
    animation: move 25s linear infinite;
}
@keyframes move {
    0%   { transform: translate(0, 0); }
    100% { transform: translate(-100%, 0); }
}
<div>
  <p>This text should scroll. Lorem ipsum dolor sit amet consectetur adipisicing elit. Excepturi modi magni quo officia error ab veniam aspernatur. Quos ducimus, hic, maxime dicta optio quidem nostrum sint modi velit, ut distinctio. And return to beginning.</p>
</div>

Improved upon xhxe's answer. This version doesn't show empty space in the beginning and the end, it also gives the user time to read the beginning and the end of the text. Another difference is the change from linear to ease-in-out easing.

div{
    width: 100%;
    background-color: black;
    white-space: nowrap;
    overflow: hidden;
    box-sizing: border-box;
    position: relative;
}
p{
    display: inline-block;
    color: #FFF;
    animation: move 14s ease-in-out infinite;
    position: relative;
    padding-inline: 1rem;
}
@keyframes move {
    25% { transform: translate(0, 0); left: 0%; }
    75%, 100% { transform: translate(-100%, 0); left: 100%; }
}
<div>
  <p>This text should scroll. Lorem ipsum dolor sit amet consectetur adipisicing elit. Excepturi modi magni quo officia error ab veniam aspernatur. Quos ducimus, hic, maxime dicta optio quidem nostrum sint modi velit, ut distinctio. And return to beginning.</p>
</div>

To do this I gave position: relative to both elements and animated the left property alongside translate. It works because width in translate is relative to the element's own width, while width in left is relative to the element's parent's width.

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