Custom highlight search in React AutoComplete component

18 May 2022 / 1 minute to read

The AutoComplete has built-in support to highlight the searched characters on suggested list items when enabled the highlight property.

In the below sample, to customize the matched character in suggestion list by e-highlight class.

Source

Preview

index.jsx

index.html

styles.css

index.tsx

import { AutoCompleteComponent } from '@syncfusion/ej2-react-dropdowns';
import * as React from 'react';
import * as ReactDOM from 'react-dom';
export default class App extends React.Component {
    constructor() {
        super(...arguments);
        // define the JSON of data
        this.sportsData = [
            { Id: 'Game1', Game: 'Badminton' },
            { Id: 'Game2', Game: 'Basketball' },
            { Id: 'Game3', Game: 'Cricket' },
            { Id: 'Game4', Game: 'Football' },
            { Id: 'Game5', Game: 'Golf' },
            { Id: 'Game6', Game: 'Hockey' },
            { Id: 'Game7', Game: 'Rugby' },
            { Id: 'Game8', Game: 'Snooker' }
        ];
        // maps the appropriate column to fields property
        this.fields = { value: 'Game' };
    }
    render() {
        return (
        // specifies the tag for render the AutoComplete component
        <AutoCompleteComponent id="atcelement" dataSource={this.sportsData} fields={this.fields} placeholder="Find a game" highlight={true}/>);
    }
}
ReactDOM.render(<App />, document.getElementById('sample'));

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

<head>
    <title>Syncfusion React AutoComplete</title>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta name="description" content="Essential JS 2 for React Components" />
    <meta name="author" content="Syncfusion" />
    <link href="styles.css" rel="stylesheet" />
   <link href="//cdn.syncfusion.com/ej2/20.1.55/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.1.55/ej2-react-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/20.1.55/ej2-react-dropdowns/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='sample' style="margin: 20px auto 0; width:250px;">
        <div id='loader'>Loading....</div>
    </div>
</body>

</html>

#container {
  visibility: hidden;
}

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

#atcelement_popup .e-dropdownbase .e-highlight {
    color: #ff4081
}

import { AutoCompleteComponent } from '@syncfusion/ej2-react-dropdowns';
import * as React from 'react';
import * as ReactDOM from 'react-dom';

export default class App extends React.Component<{}, {}> {

    // define the JSON of data
    private sportsData: { [key: string]: Object }[] = [
       { Id: 'Game1', Game: 'Badminton' },
       { Id: 'Game2', Game: 'Basketball' },
       { Id: 'Game3', Game: 'Cricket' },
       { Id: 'Game4', Game: 'Football' },
       { Id: 'Game5', Game: 'Golf' },
       { Id: 'Game6', Game: 'Hockey' },
       { Id: 'Game7', Game: 'Rugby' },
       { Id: 'Game8', Game: 'Snooker' }
    ];

    // maps the appropriate column to fields property
    private fields: object = { value: 'Game' };

    public render() {
        return (
             // specifies the tag for render the AutoComplete component
            <AutoCompleteComponent id="atcelement" dataSource={this.sportsData} fields={this.fields} placeholder="Find a game" highlight={true} />
        );
    }
}
ReactDOM.render(<App />, document.getElementById('sample'));