The Combo Box is a textbox component that allows the user to type a value or choose an option from the list of predefined options. This has several out of box features such as data binding, filtering, grouping, UI customization, accessibility, custom value, and more.
You can bind data from a variety of data sources in the array of primitive data, JSON data collections, or remote data source using different kinds of adaptors such as OData, OData V4, URL, JSON, and Web API. This uses Essential JS 2’s data manager to manage data and also has customization option for data request and processing.
Allows the user to add a new value that is not present in the predefined list.
Built-in filtering support with a rich set of filtering configurations is available to match all your application needs.
Provides support to filter data based on starts with, ends with, and contains.
You can customize the filter query or use your own filter libraries to set filtered data.
Combo Box has diacritic character sensitivity. This behavior can be turned on/off.
You can filter data with or without considering the casing for typed characters.
Provides option to set the number of characters required to filter.
Control the appearance of each item that is displayed in the pop-up list using templating.
Define custom appearance of each list item using item template.
Design own header for the pop-up list using header template.
Designs its own custom footer for the pop-up list using footer template.
Adds icons to each list item.
Configures custom look if there is no suggestion to display.
The Combo Box component has autofill option. This completes the word that the user types from the suggestion text. The end user can search for the items easily.
Groups the suggestions based on different categories with individual header.
Provides an option to create cascading Combo Box, which helps the user populate data to the next level Combo Box based on the selected value of the parent Combo Box.
Seamlessly supports HTML forms, template-driven forms (Angular), and reactive forms.
The width and height of the pop-up list are adjustable.
You can display the items in the ascending or descending order in a pop-up.
Developer can control whether the placeholder should float or not.
Provides responsive mode that gives adaptive redesigned UI appearance for mobile devices and recognizes touch gestures.
Fully supports WAI-ARIA accessibility that makes list view accessible to on-screen readers and assistive devices.
Follows WAI-ARIA best practices for implementing keyboard interaction.
Designed the UI element visuals such as foreground color, background color, line spacing, text, and images based on WCAG 2.0 standard.
Supports right to left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.
Developers can customize all UI elements and control their behaviors according to the end user’s requirement using its rich set of client-side APIs.