Customize the ticks in JavaScript Range Slider control

08 May 2023 / 2 minutes to read

Slider view can be customized via CSS. By overriding the slider CSS classes, you can customize the ticks. The ticks in slider allows you to easily identify the current value/values of the slider. It contains smallStep and largeStep. By default, slider has class e-tick for slider ticks. You can override the class as per your requirement. Refer to the following code snippet to render ticks.

.e-scale .e-tick.e-custom::before {
    content: '\e967';
    position: absolute;
}

Here, the color for rendered ticks has been applied through nth-child(child_number). The color is applied to the value of the child_number in the slider.

#ticks_slider .e-scale :nth-child(1)::before {
    color: red;
}

Source

Preview

app.ts

index.html

index.css

import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
import { Slider, SliderTickRenderedEventArgs, SliderTickEventArgs } from '@syncfusion/ej2-inputs';

    // Initialize slider component
    let ticksSlider: Slider = new Slider({
        // Set slider minimum and maximum values
        min: 0, max: 100,
        // Set the initial value for slider
        value: 30,
        // Set the step value for slider
        step: 5,
        // Set the type to render minRange slider
        type: 'MinRange',
        // Initialize ticks with placement, largestep
        ticks: { placement: 'Before', largeStep: 20 },
        // Handler used to add custom class to all tick element
        renderingTicks: (args: SliderTickEventArgs) => {
            if (args.tickElement.classList.contains('e-large')) {
                args.tickElement.classList.add('e-custom');
            }
        }
    });
    ticksSlider.appendTo('#ticks_slider');

    // Initialize slider component
    let customTicks: Slider = new Slider({
        // Set slider minimum and maximum values
        min: 0, max: 100,
        // Set the initial value for slider
        value: 30,
        // Set the type to render minRange slider
        type: 'MinRange',
        // Initialize ticks with placement, largestep, smallstep
        ticks: { placement: 'Both', largeStep: 20, smallStep: 5 },
        // Handler used to customize tick element
        renderedTicks: (args: SliderTickRenderedEventArgs) => {
            let li: any = args.ticksWrapper.getElementsByClassName('e-large');
            let remarks: any = ['Very Poor', 'Poor', 'Average', 'Good', 'Very Good', 'Excellent'];
            for (let i: number = 0; i < li.length; ++i) {
                (li[i].querySelectorAll('.e-tick-both')[1] as HTMLElement).innerText = remarks[i];
            }
        }
    });
    customTicks.appendTo('#slider');

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

<head>
            
    <title>Essential JS 2 Slider</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 Slider Component" />
    <meta name="author" content="Syncfusion" />
    <link href="index.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/21.2.3/ej2-buttons/styles/material.css" rel="stylesheet" />
    <script src="https://cdnjs.cloudflare.com/ajax/libs/systemjs/0.19.38/system.js"></script>
    <script src="systemjs.config.js"></script>
</head>

<body>
    <div id='loader'>Loading....</div>
    <div id='container'>
        <div class="col-lg-12 control-section">
            <div class="slider-content-wrapper">
                <div class="slider_container" id="slider_wrapper">
                    <div class="slider_labelText userselect">Dynamic ticks color</div>
                    <!-- Ticks slider element -->
                    <div id="ticks_slider"></div>
                </div>
                <div class="slider_container">
                    <div class="slider_labelText userselect">Ticks with legends</div>
                    <!-- Ticks slider element -->
                    <div id="slider"></div>
                </div>
            </div>
        </div>
    </div>
</body>

</html>

#container {
  visibility: hidden;
}

#loader {
  color: #008cff;
  font-family: 'Helvetica Neue','calibiri';
  font-size: 14px;
  height: 40px;
  left: 45%;
  position: absolute;
  top: 45%;
  width: 30%;
}

.slider-content-wrapper {
  width: 40%;
  margin: 0 auto;
  min-width: 185px;
}

.userselect {
  -webkit-user-select: none;
  /* Safari 3.1+ */
  -moz-user-select: none;
  /* Firefox 2+ */
  -ms-user-select: none;
  /* IE 10+ */
  user-select: none;
  /* Standard syntax */
}

.slider_labelText {
  text-align: left;
  font-weight: 500;
  font-size: 13px;
  padding-bottom: 40px;
}

.slider_container {
  margin-top: 40px;
}

.e-bigger .slider-content-wrapper {
  width: 80%;
}

#ticks_slider .e-range {
  z-index: unset;
}
/* csslint ignore:start */
@font-face {
  font-family: 'e-customized-icons';
  src: url(data:application/x-font-ttf;charset=utf-8;base64,AAEAAAAKAIAAAwAgT1MvMj8iS4cAAAEoAAAAVmNtYXDS5tJrAAABjAAAAEBnbHlmdMAKbQAAAdQAAAOwaGVhZBNseyYAAADQAAAANmhoZWEHogNjAAAArAAAACRobXR4C9AAAAAAAYAAAAAMbG9jYQCaAdgAAAHMAAAACG1heHABEAEuAAABCAAAACBuYW1lc0cOBgAABYQAAAIlcG9zdNSlKbQAAAesAAAARwABAAADUv9qAFoEAAAA//UD8wABAAAAAAAAAAAAAAAAAAAAAwABAAAAAQAAtxzLE18PPPUACwPoAAAAANgtmycAAAAA2C2bJwAAAAAD8wPzAAAACAACAAAAAAAAAAEAAAADASIAAwAAAAAAAgAAAAoACgAAAP8AAAAAAAAAAQPwAZAABQAAAnoCvAAAAIwCegK8AAAB4AAxAQIAAAIABQMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAUGZFZABA6QLpZwNS/2oAWgPzAJYAAAABAAAAAAAABAAAAAPoAAAD6AAAAAAAAgAAAAMAAAAUAAMAAQAAABQABAAsAAAABgAEAAEAAukC6Wf//wAA6QLpZ///AAAAAAABAAYABgAAAAEAAgAAAAAAmgHYAAIAAAAAA+oD6gAzAIcAAAEzHxghNT8WEx8THQEPEisBLxI9AT8SAgAQECQmKCgpKScTEhIREA8ODQwKCgQHBQQBAfwqAQMFBgcKCgwNDg8QERISEycpKSgoJiQgDQwMDAwXFhUUEhEPDQsJCAIDAQEBAQMCCAkLDQ8REhQVFhcMDAwMDQ0MDAwMFxYVFBIRDw0LCQgCAwEBAQEDAggJCw0PERIUFRYXDAwMDAGFAQMEBwkKDQ4ICAkKCgoLCwwMDAcNDg8Og3sPDw4NDgwMDAsLCgoKCQgIDg0KCQcEAwJnAQEBAgMHCgsNDxESExUWFwwMDQwNDA0MDAwXFhUTExAPDQwJBwMCAgEBAgIDBwkMDQ8QExMVFhcMDAwNDA0MDQwMFxYVExIRDw0LCgcDAgEBAAAAAwAAAAAD8wPzAF8AwAEhAAABDxMfFz8XLxcPAjcfFA8XLxc/Fx8CJw8UHxc/Fy8XDwIBqRQUFBISERAQDg0NCwoJBwcFBAIBAQIEBQcHCQoLDQ0OEBAREhIUFBQVFhYWFhYWFRUTFBISERAQDg0NCwoJBwcFBAIBAQIEBQcHCQoLDQ0OEBAREhIUExUVFhYWFhYWtg4NGxkZGBYWFRMSEA8OCwsIBwUDAQEDBQcICwsODxASExUWFhgZGRsbHB0dHh4dHRwbGxkZGBYWFRMSEA8NDAsIBwUDAQEDBQcICwsODxASExUVFxgZGRsbHB0dHh4dHd0QDx4eHBsaGRcWFRIREA0MCQgGAwEBAwYICQwNEBESFRYXGRobHB4eHyEgIiIiIiAhHx4eHBsaGRcWFRIREA0MCQgGAwEBAwYICQwNEBESFRYXGRobHB4eHyEgIiIiIiEDPAYICQoLDQ0OEBAREhITFBUVFRYXFhYWFRQUFBISERAQDg0MDAoJBwcFBAIBAQIEBQcHCQoMDA0OEBAREhIUFBQVFhYWFxYVFRUUExISERAQDg0NCwoJCAYFBAIBAQIEZAQECgwODxASExUVFxgYGhsbHB0dHh4dHRwbGxkZGBYWFBQSEA8NDAoJBwUDAQEDBQcICwsODxASExUWFhgZGRsbHB0dHh4dHRwbGxoYGBcVFRMSEA8OCwsIBwUDAQEDBTYFBQwNEBESFRYXGRobHB0fHyEgIiIiIiEgHx4eHBsaGRcWFBMRDw4MCQgGAwEBAwYICQwODxETFBYXGRobHB4eHyEgIiIiIiAhHx4eHBsaGRcWFRIRDw4MCQgGAwEBAwYAAAAAAAASAN4AAQAAAAAAAAABAAAAAQAAAAAAAQAHAAEAAQAAAAAAAgAHAAgAAQAAAAAAAwAHAA8AAQAAAAAABAAHABYAAQAAAAAABQALAB0AAQAAAAAABgAHACgAAQAAAAAACgAsAC8AAQAAAAAACwASAFsAAwABBAkAAAACAG0AAwABBAkAAQAOAG8AAwABBAkAAgAOAH0AAwABBAkAAwAOAIsAAwABBAkABAAOAJkAAwABBAkABQAWAKcAAwABBAkABgAOAL0AAwABBAkACgBYAMsAAwABBAkACwAkASMgZS1pY29uc1JlZ3VsYXJlLWljb25zZS1pY29uc1ZlcnNpb24gMS4wZS1pY29uc0ZvbnQgZ2VuZXJhdGVkIHVzaW5nIFN5bmNmdXNpb24gTWV0cm8gU3R1ZGlvd3d3LnN5bmNmdXNpb24uY29tACAAZQAtAGkAYwBvAG4AcwBSAGUAZwB1AGwAYQByAGUALQBpAGMAbwBuAHMAZQAtAGkAYwBvAG4AcwBWAGUAcgBzAGkAbwBuACAAMQAuADAAZQAtAGkAYwBvAG4AcwBGAG8AbgB0ACAAZwBlAG4AZQByAGEAdABlAGQAIAB1AHMAaQBuAGcAIABTAHkAbgBjAGYAdQBzAGkAbwBuACAATQBlAHQAcgBvACAAUwB0AHUAZABpAG8AdwB3AHcALgBzAHkAbgBjAGYAdQBzAGkAbwBuAC4AYwBvAG0AAAAAAgAAAAAAAAAKAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAQIBAwEEAAh0ZW1wLWN1cxJGQl9DaGVja2JveF9zZWxlY3QAAAA=) format('truetype');
  font-weight: normal;
  font-style: normal;
}
/* csslint ignore:end */
#ticks_slider .e-scale .e-tick {
  background-image: none;
  visibility: visible;
  font-family: 'e-customized-icons';
}

#ticks_slider .e-scale {
  z-index: 0;
}

#ticks_slider .e-scale .e-custom::before {
  content: '\e967';
  position: absolute;
}

#ticks_slider .e-scale :nth-child(1)::before {
  color: red;
}

#ticks_slider .e-scale :nth-child(2)::before {
  color: blue;
}

#ticks_slider .e-scale :nth-child(3)::before {
  color: green;
}

#ticks_slider .e-scale :nth-child(4)::before {
  color: blueviolet;
}

#ticks_slider .e-scale :nth-child(5)::before {
  color: orange;
}

#ticks_slider .e-scale :nth-child(6)::before {
  color: pink;
}

#ticks_slider .e-scale .e-custom::before {
  font-size: 10px;
}

#ticks_slider .e-scale .e-custom::before {
  top: calc(50% + 1px);
  left: calc(50% - 5px);
}

#slider_wrapper #ticks_slider .e-scale :nth-child(1)::before {
  top: calc(50% + 1px);
  left: calc(0% - 5px);
}

#slider_wrapper #ticks_slider .e-scale :nth-child(6)::before {
  top: calc(50% + 1px);
  left: calc(100% - 6px);
}

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