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Show the list items with icons in JavaScript ComboBox control

22 Jul 2021 / 1 minute to read

You can render icons to the list items by mapping the iconCss  field. This iconCss field create a span in the list item with mapped class name to allow styling as per your need.

In the following sample, icon classes are mapped with iconCss field.

Source
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app.ts
index.html
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import { ComboBox } from '@syncfusion/ej2-dropdowns';
let sortFormatData: { [key: string]: Object }[] = [
    { class: 'asc-sort', type: 'Sort A to Z', id: '1' },
    { class: 'dsc-sort', type: 'Sort Z to A ', id: '2' },
    { class: 'filter', type: 'Filter', id: '3' },
    { class: 'clear', type: 'Clear', id: '4' }
];

let sortFormat: ComboBox = new ComboBox({
    dataSource: sortFormatData,
    // map the icon column to iconCSS field.
    fields: { text: 'type', iconCss: 'class', value: 'id' },
    placeholder: 'Select a format'
});
sortFormat.appendTo('#comboelement');
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<!DOCTYPE html>
<html lang="en">

<head>
    <title>Essential JS 2 ComboBox</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="styles.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-base/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-inputs/styles/material.css" rel="stylesheet" />
    <link href="//cdn.syncfusion.com/ej2/ej2-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='loader'>LOADING....</div>
    <div id='container' style="margin:50px auto 0; width:250px;">
        <br>
        <input type="text" id='comboelement' />
    </div>
</body>

</html>