胶囊滑块

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html

css

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html

css

* {
  border: 0;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: hsl(223,10%,90%);
  --fg: hsl(223,10%,10%);
  --orange: hsl(29,90%,55%);
  --yellow: hsl(43,90%,55%);
  --blue: hsl(198,90%,55%);
  --white: hsl(223,10%,100%);
  font-size: calc(20px + (30 - 20) * (100vw - 320px) / (1280 - 320));
}

body, input {
  font: 1em/1.5 "Jost", system-ui, -apple-system, sans-serif;
}

body {
  background: #282828;
  color: var(--fg);
  display: flex;
  height: 100vh;
}

form {
  display: grid;
  grid-gap: 0 1.5em;
  grid-template-columns: repeat(2, 1fr);
  margin: auto;
}

label {
  display: block;color: #fff;
}

.range-pill {
  --pillWidth: 4.5em;
  box-shadow: 0 0.375em 0.375em 0 rgba(0, 0, 0, 0.3);
  display: inline-block;
  overflow: hidden;
  position: relative;
  width: var(--pillWidth);
  height: 1.5em;
}
.range-pill, .range-pill:before, .range-pill__input {
  border-radius: 0.75em;
}
.range-pill:before, .range-pill:after, .range-pill__fill, .range-pill__input, .range-pill__value {
  display: block;
  position: absolute;
}
.range-pill:before, .range-pill__fill, .range-pill__input, .range-pill__value {
  top: 0;
  left: 0;
  height: 100%;
}
.range-pill:before, .range-pill__input, .range-pill__value {
  width: 100%;
}
.range-pill:before, .range-pill:after {
  content: "";
  z-index: 3;
}
.range-pill:before {
  background: radial-gradient(0.5em 0.4em at 0.75em 0.5em, rgba(255, 255, 255, 0.25) 30%, rgba(255, 255, 255, 0) 50%);
  box-shadow: 0.05em -0.025em 0.25em 0.05em rgba(255, 255, 255, 0.4) inset, 0.125em -0.125em 0.15em 0.25em rgba(255, 255, 255, 0.07) inset, 0 -0.75em 0.175em 0 rgba(0, 0, 0, 0.07) inset, 0 -0.4em 0.05em 0.2em rgba(255, 255, 255, 0.07) inset, 0 -0.125em 0.05em 0.2em rgba(255, 255, 255, 0.1) inset;
}
.range-pill:after {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 0.125em;
  box-shadow: 0 0 0.1em 0.1em rgba(255, 255, 255, 0.25);
  top: 0.6em;
  left: 1.25em;
  width: calc(var(--pillWidth) - 1.75em);
  height: 0.1em;
}
.range-pill--orange-track, .range-pill--orange-thumb .range-pill__fill {
  background: var(--orange);
}
.range-pill--yellow-track, .range-pill--yellow-thumb .range-pill__fill {
  background: var(--yellow);
}
.range-pill--blue-track, .range-pill--blue-thumb .range-pill__fill {
  background: var(--blue);
}
.range-pill--white-track, .range-pill--white-thumb .range-pill__fill {
  background: var(--white);
}
.range-pill__fill {
  box-shadow: 0 0 0.1em #17181c, -0.05em 0 0 rgba(255, 255, 255, 0.3) inset;
  z-index: 1;
}
.range-pill__input {
  background: transparent;
  cursor: pointer;
  z-index: 4;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
}
.range-pill__input:focus {
  outline: transparent;
}
.range-pill__input:focus-visible {
  box-shadow: 0 0 0.125em 0.125em #0b46da inset;
}
.range-pill__input::-moz-focus-outer {
  border: 0;
}
.range-pill__input::-webkit-slider-thumb {
  background: transparent;
  border: 0;
  width: 1px;
  height: 1.5em;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.range-pill__input::-moz-range-thumb {
  background: transparent;
  border: 0;
  width: 1px;
  height: 1.5em;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}
.range-pill__value {
  color: #17181c;
  font-size: 0.75em;
  line-height: 2;
  text-align: center;
  text-shadow: 0 0 0.2em rgba(23, 24, 28, 0.3), 0.1em 0.1em 0.1em rgba(23, 24, 28, 0.3);
  z-index: 2;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: hsl(223,10%,20%);
    --fg: hsl(223,10%,90%);
  }

.range-pill {
    box-shadow: 0 0.375em 0.375em 0 rgba(0, 0, 0, 0.3);
  }
  .range-pill:before {
    background: radial-gradient(0.5em 0.4em at 0.75em 0.5em, rgba(255, 255, 255, 0.2) 30%, rgba(255, 255, 255, 0) 50%);
    box-shadow: 0.05em -0.025em 0.25em 0.05em rgba(46, 49, 56, 0.4) inset, 0.125em -0.125em 0.15em 0.25em rgba(46, 49, 56, 0.07) inset, 0 -0.75em 0.175em 0 rgba(0, 0, 0, 0.07) inset, 0 -0.4em 0.05em 0.2em rgba(46, 49, 56, 0.07) inset, 0 -0.125em 0.05em 0.2em rgba(46, 49, 56, 0.1) inset;
  }
}
@media (min-width: 480px) {
  form {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 768px) {
  form {
    grid-template-columns: repeat(4, 1fr);
  }
}

JavaScript

document.addEventListener("DOMContentLoaded",function(){
	let ranges = [
		new RangePill("#range1","orange"),
		new RangePill("#range2","yellow"),
		new RangePill("#range3","blue"),
		new RangePill("#range4","white","orange"),
		new RangePill("#range5","white","yellow"),
		new RangePill("#range6","white","blue"),
		new RangePill("#range7","orange","yellow"),
		new RangePill("#range8","blue","orange"),
		new RangePill("#range9","yellow","blue"),
		new RangePill("#range10","yellow","orange"),
		new RangePill("#range11","orange","blue"),
		new RangePill("#range12","blue","yellow")
	];
});

class RangePill {
	constructor(qs,thumbColor = "orange",trackColor = "white") {
		this.el = document.querySelector(qs);
		this.fill = null;
		this.value = null;

if (this.el) {
			this.buildSlider(thumbColor,trackColor);
			this.el.addEventListener("input",this.changeValue.bind(this));
		}
	}
	buildSlider(thumbColor,trackColor) {
		this.el.className = "range-pill__input";
		// create a div to contain the <input>
		let rangeWrap = document.createElement("span");
		rangeWrap.className = "range-pill";
		// thumb and track colors
		if (thumbColor)
			rangeWrap.classList.add(`range-pill--${thumbColor}-thumb`);
		if (trackColor)
			rangeWrap.classList.add(`range-pill--${trackColor}-track`);
		this.el.parentElement.insertBefore(rangeWrap,this.el);
		// input
		rangeWrap.appendChild(this.el);
		// range fill
		let rangeFill = document.createElement("span");
		rangeFill.className = "range-pill__fill";
		rangeWrap.appendChild(rangeFill);
		// range value
		let rangeValue = document.createElement("span");
		rangeValue.className = "range-pill__value";
		rangeValue.textContent = this.el.value;
		rangeWrap.appendChild(rangeValue);
		// initial value
		this.fill = rangeFill;
		this.value = rangeValue;
		this.changeValue();
	}
	changeValue() {
		// keep the value within range
		if (+this.el.value > this.el.max)
			this.el.value = this.el.max;
		else if (+this.el.value < this.el.min)
			this.el.value = this.el.min;
		// width of fill
		if (this.fill) {
			let pct = (this.el.value - this.el.min) / (this.el.max - this.el.min),
				fillWidth = pct * 100;

this.fill.style.width = `${fillWidth}%`;
		}
		// value
		if (this.value)
			this.value.textContent = this.el.value;
	}
}

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