Customize the thumb in EJ2 TypeScript Range slider control

15 May 202310 minutes to read

Slider appearance can be customized through CSS. By overriding the slider CSS classes, you can customize the thumb. By default, slider has unique class e-handle for slider thumb. You can override the following class as per your requirement. Here, in the sample, the slider thumb has been customized to square, circle, oval shapes, and background image has also been customized.

.e-control.e-slider .e-handle {
    background-image: url('https://ej2.syncfusion.com/demos/src/slider/images/thumb.png');
    background-color: transparent;
    height: 25px;
    width: 25px;
}
#square_slider.e-control.e-slider .e-handle {
    border-radius: 0%;
    background-color: #f9920b;
    border: 0;
}
#circle_slider.e-control.e-slider .e-handle {
    border-radius: 50%;
    background-color: #f9920b;
    border: 0;
}
#oval_slider.e-control.e-slider .e-handle {
    height: 25px;
    width: 8px;
    top: 3px;
    border-radius: 15px;
    background-color: #f9920b;
}

index.ts
index.html
index.css
import { enableRipple } from '@syncfusion/ej2-base';
enableRipple(true);
import { Slider } from '@syncfusion/ej2-inputs';

    // Initialize slider control
    let squareSlider: Slider = new Slider({
        // Set the value for slider
        value: 30,
        min: 0, max: 100
    });
    squareSlider.appendTo('#square_slider');

    // Initialize slider control
    let circleSlider: Slider = new Slider({
        // Set the value for slider
        value: 30,
        // Set slider minimum and maximum values
        min: 0, max: 100
    });
    circleSlider.appendTo('#circle_slider');

    // Initialize slider control
    let ovalSlider: Slider = new Slider({
        // Set the value for slider
        value: 30,
        // Set slider minimum and maximum values
        min: 0, max: 100
    });
    ovalSlider.appendTo('#oval_slider');

    // Initialize slider control
    let imageSlider: Slider = new Slider({
        // Set the value for slider
        value: 30,
        // Set slider minimum and maximum values
        min: 0, max: 100,

        ticks: { placement: 'After' }

    });
    imageSlider.appendTo('#image_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="https://cdn.syncfusion.com/ej2/25.1.35/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/25.1.35/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/25.1.35/ej2-popups/styles/material.css" rel="stylesheet" />
    <link href="https://cdn.syncfusion.com/ej2/25.1.35/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>
<script src="https://cdn.syncfusion.com/ej2/syncfusion-helper.js" type ="text/javascript"></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">
                    <div class="labelText slider-userselect">Square</div>
                    <!-- Square slider element -->
                    <div id="square_slider"></div>
                </div>
                <div class="slider_container">
                    <div class="labelText slider-userselect">Circle</div>
                    <!-- Circle slider element -->
                    <div id="circle_slider"></div>
                </div>
                <div class="slider_container">
                    <div class="labelText slider-userselect">Oval</div>
                    <!-- Oval slider element -->
                    <div id="oval_slider"></div>
                </div>
                <div class="slider_container">
                    <div class="labelText slider-userselect">Custom image</div>
                    <!-- Image slider element -->
                    <div id="image_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;
}

.slider-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 */
}

.labelText {
  text-align: left;
  font-weight: 500;
  font-size: 13px;
  padding-bottom: 10px;
}

.slider_container {
  margin-top: 40px;
}

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

#square_slider .e-handle {
  border-radius: 0;
  background-color: #f9920b;
  border: 0;
}

#circle_slider .e-handle {
  background-color: #f9920b;
  border-radius: 50%;
  border: 0;
}

#image_slider .e-handle {
  height: 25px;
  width: 24px;
  background-size: 24px;

}

#image_slider .e-handle {
  background-image: url('https://ej2.syncfusion.com/demos/src/slider/images/thumb.png');
  background-repeat: no-repeat;
  background-color: transparent;
  border: 0;
}

#square_slider .e-tab-handle::after,
#circle_slider .e-tab-handle::after {
  background-color: #f9920b;
}

#image_slider .e-tab-handle::after {
  background-color: transparent;
}

#oval_slider .e-handle {
  height: 25px;
  width: 8px;
  top: 3px;
  border-radius: 15px;
  background-color: #f9920b;
}