Customization in JavaScript Tooltip control

08 May 2023 / 1 minute to read

The Tooltip can be customized by using the cssClass property, which accepts custom CSS class names that define specific user-defined styles and themes to be applied on the Tooltip element.

Tip pointer customization

Styling the tip pointer’s size, background, and border colors can be done using the cssClass property, as given below.

Source

Preview

index.ts

index.html

index.css

import { Tooltip } from '@syncfusion/ej2-popups';
let tooltip: Tooltip = new Tooltip({
    cssClass: 'customtip'
});
tooltip.appendTo('#target');

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

<head>
            
    <title>EJ2 Tooltip</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Typescript UI Controls" />
    <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-popups/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 id="target" title="Tooltip arrow customized">
            Show tooltip
        </div>
    </div>
</body>

</html>

#container {
    visibility: hidden;
}

#loader {
    color: #008cff;
    height: 40px;
    left: 45%;
    position: absolute;
    top: 45%;
    width: 30%;
}

#target {
    background-color: #cfd8dc;
    border: 3px solid #eceff1;
    box-sizing: border-box;
    margin: 80px auto;
    padding: 20px 0;
    width: 200px;
    text-align: center;
    color: #424242;
    font-size: 20px;
    user-select: none;
}


/* csslint ignore:start */

.customtip.e-tooltip-wrap {
    padding: 4px;
}

.customtip.e-tooltip-wrap .e-arrow-tip.e-tip-bottom {
    height: 20px;
    width: 12px;
}

.customtip.e-tooltip-wrap .e-arrow-tip.e-tip-top {
    height: 20px;
    width: 12px;
}

.customtip.e-tooltip-wrap .e-arrow-tip.e-tip-left {
    height: 12px;
    width: 20px;
}

.customtip.e-tooltip-wrap .e-arrow-tip.e-tip-right {
    height: 12px;
    width: 20px;
}

.customtip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-bottom {
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 20px solid #616161;
}

.customtip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-top {
    border-bottom: 20px solid #616161;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
}

.customtip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-left {
    border-bottom: 6px solid transparent;
    border-right: 20px solid #616161;
    border-top: 6px solid transparent;
}

.customtip.e-tooltip-wrap .e-arrow-tip-outer.e-tip-right {
    border-bottom: 6px solid transparent;
    border-left: 20px solid #616161;
    border-top: 6px solid transparent;
}


/* csslint ignore:end */

The complete look and feel of the Tooltip can be customized by changing it’s background color, opacity, content font, etc. The following code example shows the way to achieve it.