Javascript Simple update

Javascript

Javascript Simple update

HiroDaegu 2021. 9. 11. 19:50

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<!DOCTYPE html>
<html lang="ko">

<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">
  <title>Scoped CSS Variables and Javascript</title>
  <link rel="stylesheet" href="style.css">
  <script defer src="main.js"></script>
</head>

<body>
  <h2>Update CSS Variables with <span class="h1">JS</span></h2>
  <div class="controls">
    <label for="spacing">Spacing:</label>
    <input type="range" name="spacing" min="10" max="200" value="10" data-sizing="px">

    <label for="blur">Blur:</label>
    <input type="range" name="blur" min="0" max="25" value="10" data-sizing="px">

    <label for="base">Base Color</label>
    <input type="color" name="base" value="#ffc600">
  </div>

  <img src="bg.jpg" alt="Tree">

</body>

</html>

:root {
  --base: #ffc600;
  --spacing: 10px;
  --blur: 10px;
}

body {
  text-align: center;
  background: #193549;
  color: white;
  font-family: 'helvetica neue', sans-serif;
  font-weight: 100;
  font-size: 50px;
}

.h1 {
  color: var(--base);
}

.controls {
  margin-bottom: 50px;
}

a {
  color: var(--base);
  text-decoration: none;
}

input {
  width: 100px;
}

img{
  padding: var(--spacing);
  background: var(--base);
  filter: blur(var(--blur));
}

const inputs = document.querySelectorAll('.controls input')
// console.log(inputs)

function handleUpdate() {
  const suffix = this.dataset.sizing || "";
  document.documentElement.style.setProperty(`--${this.name}`, this.value+suffix);

}

inputs.forEach(input => input.addEventListener('change', handleUpdate))
inputs.forEach(input => input.addEventListener('mousemove', handleUpdate))

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