completed custom range slider

tsr-kairi · Jul 13, 2021 · 414a5b6 · 414a5b6
1 parent cb9f970
commit 414a5b6
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diff --git a/Day 44 - Custom Range Slider/app.js b/Day 44 - Custom Range Slider/app.js
@@ -0,0 +1,29 @@
+const range = document.getElementById("range");
+
+range.addEventListener("input", (e) => {
+  const value = +e.target.value;
+  const label = e.target.nextElementSibling;
+
+  const range_width = getComputedStyle(e.target).getPropertyValue("width");
+  const label_width = getComputedStyle(label).getPropertyValue("width");
+
+  const num_width = +range_width.substring(0, range_width.length - 2);
+  const num_label_width = +label_width.substring(0, label_width.length - 2);
+
+  const max = +e.target.max;
+  const min = +e.target.min;
+
+  const left =
+    value * (num_width / max) -
+    num_label_width / 2 +
+    scale(value, min, max, 10, -10);
+
+  label.style.left = `${left}px`;
+
+  label.innerHTML = value;
+});
+
+// https://stackoverflow.com/questions/10756313/javascript-jquery-map-a-range-of-numbers-to-another-range-of-numbers
+const scale = (num, in_min, in_max, out_min, out_max) => {
+  return ((num - in_min) * (out_max - out_min)) / (in_max - in_min) + out_min;
+};
diff --git a/Day 44 - Custom Range Slider/index.html b/Day 44 - Custom Range Slider/index.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <link rel="stylesheet" href="style.css" />
+    <title>Custom Range Slider</title>
+  </head>
+  <body>
+    <h2>Custom Range Slider</h2>
+    <div class="range-container">
+      <input type="range" id="range" min="0" max="100" />
+      <label for="range">50</label>
+    </div>
+
+    <script src="app.js"></script>
+  </body>
+</html>
diff --git a/Day 44 - Custom Range Slider/style.css b/Day 44 - Custom Range Slider/style.css
@@ -0,0 +1,109 @@
+*::after,
+*::before {
+  box-sizing: border-box;
+  margin: 0;
+  padding: 0;
+}
+
+body {
+  background-image: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
+  font-family: "Lato", sans-serif;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100vh;
+  overflow: hidden;
+  margin: 0;
+}
+
+h2 {
+  position: absolute;
+  top: 10px;
+}
+
+.range-container {
+  position: relative;
+}
+
+input[type="range"] {
+  width: 300px;
+  margin: 18px 0;
+  -webkit-appearance: none;
+}
+
+input[type="range"]:focus {
+  outline: none;
+}
+
+input[type="range"] + label {
+  background-color: #fff;
+  position: absolute;
+  top: -25px;
+  left: 110px;
+  width: 80px;
+  padding: 5px 0;
+  text-align: center;
+  border-radius: 4px;
+  box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
+}
+
+/* Chrome & Safari */
+input[type="range"]::-webkit-slider-runnable-track {
+  background: purple;
+  border-radius: 4px;
+  width: 100%;
+  height: 10px;
+  cursor: pointer;
+}
+
+input[type="range"]::-webkit-slider-thumb {
+  -webkit-appearance: none;
+  height: 24px;
+  width: 24px;
+  background: #fff;
+  border-radius: 50%;
+  border: 1px solid purple;
+  margin-top: -7px;
+  cursor: pointer;
+}
+
+/* Firefox */
+input[type="range"]::-moz-range-track {
+  background: purple;
+  border-radius: 4px;
+  width: 100%;
+  height: 13px;
+  cursor: pointer;
+}
+
+input[type="range"]::-moz-range-thumb {
+  -webkit-appearance: none;
+  height: 24px;
+  width: 24px;
+  background: #fff;
+  border-radius: 50%;
+  border: 1px solid purple;
+  margin-top: -7px;
+  cursor: pointer;
+}
+
+/* IE */
+input[type="range"]::-ms-track {
+  background: purple;
+  border-radius: 4px;
+  width: 100%;
+  height: 13px;
+  cursor: pointer;
+}
+
+input[type="range"]::-ms-thumb {
+  -webkit-appearance: none;
+  height: 24px;
+  width: 24px;
+  background: #fff;
+  border-radius: 50%;
+  border: 1px solid purple;
+  margin-top: -7px;
+  cursor: pointer;
+}