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  • 2 Topics
    5 Posts
    zaasmiZ

    You can increase the background-size (500px in this example) to increase transition smoothing.

    const e = document.getElementsByClassName('scan')[0]; const hidden = document.getElementsByClassName('hidden')[0]; document.onmousemove = function(event) { e.style.left = `${event.clientX}px`; // ↓ background width (500px) / 2 hidden.style.setProperty("--pos", `${event.clientX - 250}px`); }; * { margin: 0; padding: 0; } html, body { width: 100%; min-height: 100vh; overflow-x: hidden; display: flex; } .banner { width: 100vw; height: 100vh; display: flex; flex-grow: 1; flex-direction: row; align-items: center; background-color: #031321; } .banner .scan { width: 7px; height: 80%; position: absolute; left: 30px; z-index: 3; transition: left 50ms ease-out 0s; border-radius: 15px; background-color: #fff; box-shadow: 0 0 15px 5px #fff, /* inner white */ 0 0 35px 15px #008cff, /* inner blue */ 0 0 350px 20px #0ff; /* outer cyan */ } .banner .description { width: 100%; color: white; font-size: 3em; text-align: center; -webkit-user-select: none; -ms-user-select: none; user-select: none; } .hidden { background: radial-gradient(dodgerblue 10%, #031321 50%) var(--pos) 50% / 500px 500px no-repeat fixed; -webkit-background-clip: text; -webkit-text-fill-color: transparent; } <div class="banner"> <div class="scan"></div> <div class="description"> Just <span class="hidden">hidden</span> something </div> </div>
  • 1 Topics
    1 Posts
    zareenZ

    Cyberian is the best way to learn to code for beginners. With fun, quick lessons on your phone or desktop, Cyberian teaches adult learners to write real JavaScript. It’s currently available for free on Desktop, Android, and iOS. Cyberian is a Code with Google program.

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