I recently read an article discussing the possibilities of displaying ticks in Chrome and Firefox for a number input with the type "range". I was intrigued to find out more about this feature and came across a helpful discussion on Stack Overflow.
I recently read an article discussing the possibilities of displaying ticks in Chrome and Firefox for a number input with the type "range". I was intrigued to find out more about this feature and came across a helpful discussion on Stack Overflow.
Styling input ranges can be a challenging task, especially when it comes to displaying tick marks. Despite the challenges, there are ways to achieve this on major browsers with some effort and specific solutions.
Internet Explorer / Edge
If you want to display tick marks in Internet Explorer, simply add the HTML step attribute to your range input. Surprisingly, Internet Explorer and Edge offer more flexibility compared to other browsers when it comes to styling input ranges.
<input type="range" min="0" max="100" step="25">Chrome / Safari
In Chrome and Webkit browsers like Safari, you can utilize the datalist element to define custom tick locations on the slider. While most browsers support this, Firefox might not show visible tick marks.
<input type="range" min="0" max="100" step="25" list="steplist">
<datalist id="steplist">
<option>0</option>
<option>25</option>
<option>50</option>
<option>75</option>
<option>100</option>
</datalist>Firefox
To add tick marks in Firefox, you'll need to use vendor-specific CSS. You can customize the style as per your preference - for instance, using horizontal repeating gradients to simulate tick marks. Alternatively, you could employ JavaScript to automate the process based on data from the datalist element.
input[type="range"]::-moz-range-track {
padding: 0 10px;
background: repeating-linear-gradient(to right,
#ccc,
#ccc 10%,
#000 10%,
#000 11%,
#ccc 11%,
#ccc 20%);
}<input type="range" min="0" max="100" step="25" list="steplist">
<datalist id="steplist">
<option>0</option>
<option>25</option>
<option>50</option>
<option>75</option>
<option>100</option>
</datalist>Important Note: Some browsers do not support the datalist feature, which could lead to issues with how option values are displayed below the range input. To ensure compatibility across various browsers, consider implementing alternative solutions such as using CSS hacks or hiding the datalist element altogether.
You may opt to use the awkward repeating-linear-gradient workaround for Webkit and Gecko browsers, or hide the datalist with CSS to provide legacy support without compromising on features.
Introducing a lightweight component for range inputs that utilizes pure CSS to render ticks through the use of linear-gradient background property and CSS variables, also known as custom properties.
Although it requires a wrapper element, I have minimized HTML modifications to achieve the desired result.
Unfortunately, manual synchronization between the range input's attributes and the wrapper element's style attribute containing the variables is necessary.
body {
height: 100vh;
display: grid;
place-items: center;
}
.range {
--ticksThickness: 2px;
--ticksHeight: 30%;
--ticksColor: silver;
display: inline-block;
background: silver;
background: linear-gradient(to right, var(--ticksColor) var(--ticksThickness), transparent 1px) repeat-x;
background-size: calc(100%/((var(--max) - var(--min)) / var(--step)) - .1%) var(--ticksHeight);
background-position: 0 bottom;
position: relative;
}
/* Labels for min and max values at the edges */
.range::before, .range::after {
font: 12px monospace;
content: counter(x);
position: absolute;
bottom: -2ch;
}
.range::before {
counter-reset: x var(--min);
transform: translateX(-50%);
}
.range::after {
counter-reset: x var(--max);
right: 0;
transform: translateX(50%);
}
.range > input {
width: 300px;
margin: 0 -6px; /* Critical adjustment */
}<div class="range" style="--step:10; --min:20; --max:100">
<input type="range" min="20" max="100" step="10" value="30">
</div>After being inspired by the solution provided in user10452457's response, I devised a method to adjust the spacing of datalist elements, particularly when the length of entries varies. The only drawback is that you need to define the length of the datalist in its style attribute:
<datalist style="--list-length: XYZ;">...</datalist>This technique involves dividing the width of the range input so that the text of the datalist entry aligns centrally beneath the range thumb. The first and last datalist entries are aligned to the left and right, respectively. For this approach to work effectively, the width of the range input must be set as 100%, with a margin-left of 0.
The CSS code below demonstrates how to style a datalist immediately following a range input using Firefox's default thumb, which has a width of 12px.
/* Styling for range */
input[type=range] {
width: 100%;
max-width: 100%;
margin-left: 0;
}
/* Styling for datalist */
input[type=range] + datalist {
display: flex;
margin-top: -4px;
}
input[type=range] + datalist option {
display: inline-block;
width: calc((100% - 12px) / (var(--list-length) - 1));
text-align: center;
}
input[type=range] + datalist option:first-child {
width: calc((100% - 12px) / ((var(--list-length) - 1) * 2) + 6px);
text-align: left;
}
input[type=range] + datalist option:last-child {
width: calc((100% - 12px) / ((var(--list-length) - 1) * 2) + 6px);
text-align: right;
}<input type="range" min="1" max="9" id="my-range" list="my-datalist"/>
<datalist id="my-datalist" style="--list-length: 9;"><!--
---><option>1</option><!--
---><option>2</option><!--
---><option>3</option><!--
---><option>A</option><!--
---><option>B</option><!--
---><option>C</option><!--
---><option>Four</option><!--
---><option>Five</option><!--
---><option>Six</option><!--
---></datalist>If you wish to apply a custom style to your range input, consider implementing the following approach. The --thumb-width variable stores the width of the thumb and plays a vital role in calculations.
// Modify thumb-width variable upon input change
var tw = document.getElementById('thumb-width');
var mr = document.getElementById('my-range');
var ml = document.getElementById('my-datalist');
tw.onchange = () => {
mr.style.setProperty('--thumb-width', tw.value + 'px');
ml.style.setProperty('--thumb-width', tw.value + 'px');
}/* Define thumb width */
input[type=range], input[type=range] + datalist { --thumb-width: 8px; }
/* Styling for range */
input[type=range] {
-webkit-appearance: none; /* Hide track and thumb */
width: 100%;
max-width: 100%;
margin-left: 0;
}
/* Styling for datalist */
input[type=range] + datalist {
display: flex;
margin-top: -4px;
}
input[type=range] + datalist option {
display: inline-block;
width: calc((100% - var(--thumb-width)) / (var(--list-length) - 1));
text-align: center;
}
input[type=range] + datalist option:first-child {
width: calc((100% - var(--thumb-width)) / ((var(--list-length) - 1) * 2) + var(--thumb-width) / 2);
text-align: left;
}
input[type=range] + datalist option:last-child {
width: calc((100% - var(--thumb-width)) / ((var(--list-length) - 1) * 2) + var(--thumb-width) / 2);
text-align: right;
}
/* Styling for Firefox range and thumb */
input[type=range]::-moz-range-track {
background: #eee;
cursor: pointer;
height: 2px;
border: 1px solid #888;
border-radius: 1px;
}
input[type=range]::-moz-range-thumb {
background: #eee;
box-sizing: border-box;
width: var(--thumb-width);
height: 20px;
cursor: pointer;
border: 1px solid #888;
border-radius: 3px;
}
/* Styling for Chrome range and thumb */
input[type=range]::-webkit-slider-runnable-track {
background: #eee;
cursor: pointer;
height: 2px;
border: 1px solid #888;
border_radius: 1px;
}
input[type=range]::-webkit-slider-thumb {
background: #eee;
box-sizing: border-box;
width: var(--thumb-width);
height: 20px;
cursor: pointer;
border: 1px solid #888;
}<label>Thumb width:</label>
<input type="number" id="thumb-width" min="4" max="60" step="4" value="10"/>
<br><br>
<input type="range" min="1" max="9" id="my-range" list="my-datalist"/>
<datalist id="my-datalist" style="--list-length: 9;"><!--
---><option>1</option><!--
---><option>2</option><!--
---><option>3</option><!--
---><option>A</option><!--
---><option>B</option><!--
---><option>C</option><!--
---><option>Four</option><!--
---><option>Five</option><!--
---><option>Six</option><!--
---></datalist>display: block to flexIf you're struggling with formatting the tick and datalist under FF, hopefully this solution will be of assistance. It's important that the options are evenly spaced and that both the input and datalist have the same width.
input[type="range"] {
width: 100%;
margin: 0;
box-sizing: border-box;
}
datalist {
display: flex;
width: 100%;
justify-content: space-between;
margin-top: -23px;
padding-top: 0px;
}
option {
width: 2ex;
display: flex;
justify-content: center;
height: 42px;
align-items: end;
background-image: url(tick.png);
height: 4ex;
background-position-y: -15px;
background-position-x: center;
z-index: -1;
}
If you want to implement a range selection feature, you can take advantage of the <datalist> element.
<input type="range" min="0" value="0" max="10" step="1" list="ticks">
<datalist id="ticks">
<option>0</option>
<option>2</option>
<option>4</option>
<option>6</option>
<option>8</option>
<option>10</option>
</datalist>To create custom tick marks for a slider, you can pair the slider with a flexbox containing custom values. Ensure that the width of the slider aligns with the offset of the terminal ticks.
Keep in mind that this example only showcases the static appearance. JavaScript will need to be implemented to convert the slider percentage into custom values and to highlight the selected tick.
:root {
font-family: system-ui, -apple-system, -apple-system-font, 'Segoe UI', 'Roboto', sans-serif;
}
h1 {
font-size: 1.1em;
text-transform: uppercase;
color: darkgray;
letter-spacing: .2em;
}
.options {
width: 30em;
border: 1px solid silver;
border-radius: 1em;
background-color: ghostwhite;
padding: 0 0 1em 0;
text-align: center;
display: flex;
flex-direction: column;
}
.ticks {
display: flex;
}
.o_txt {
flex: 1;
}
.slider {
width: 87%; /* adjust this manually */
margin: auto;
cursor: grab;
}
.o_on {
font-weight: 500;
color: blue;
}<div class="options">
<h1>Budget</h1>
<input class="slider" type="range" min="0" max="100" step="10" list="steplist" value="40" />
<datalist id="steplist">
<option>0</option>
<option>10</option>
<option>20</option>
<option>30</option>
<option>40</option>
<option>50</option>
<option>60</option>
<option>70</option>
<option>80</option>
<option>90</option>
<option>100</option>
</datalist>
<div class="ticks">
<span class="o_txt">$100</span>
<span class="o_txt">$1K</span>
<span class="o_txt o_on">$10K</span>
<span class="o_txt">$100K</span>
<span class="o_txt">$1M</span>
<span class="o_txt">$10M</span>
</div>
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