78 lines
1.7 KiB
HTML
78 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Scoped CSS Variables and JS</title>
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<link rel="icon" href="https://fav.farm/🔥" />
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</head>
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<body>
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<h2>Update CSS Variables with <span class='hl'>JS</span></h2>
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<div class="controls">
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<label for="spacing">Spacing:</label>
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<input id="spacing" type="range" name="spacing" min="10" max="200" value="10" data-sizing="px">
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<label for="blur">Blur:</label>
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<input id="blur" type="range" name="blur" min="0" max="25" value="10" data-sizing="px">
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<label for="base">Base Color</label>
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<input id="base" type="color" name="base" value="#ffc600">
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</div>
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<img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
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<style>
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:root {
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--base: yellow;
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--spacing: 10px;
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--blur: 10px;
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}
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img {
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padding: var(--spacing);
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background: var(--base);
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filter: blur(var(--blur));
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}
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.h1 {
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color: var(--base);
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}
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/*
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misc styles, nothing to do with CSS variables
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*/
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body {
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text-align: center;
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background: #193549;
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color: white;
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font-family: 'helvetica neue', sans-serif;
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font-weight: 100;
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font-size: 50px;
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}
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.controls {
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margin-bottom: 50px;
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}
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input {
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width: 100px;
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}
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</style>
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<script>
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const inputs = document.querySelectorAll('.controls input');
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function handleUpdate(){
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const suffix = this.dataset.sizing || '';
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document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix);
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}
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inputs.forEach(input => input.addEventListener('change', handleUpdate));
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inputs.forEach(input => input.addEventListener('mousemove', handleUpdate));
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</script>
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</body>
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</html>
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