With the v15.1 release, the DevExtreme HTML 5/JS widgets now include support for the WAI-ARIA standard (and support screen readers).
To understand what WAI-ARIA is, I highly recommend reading this excellent introduction by the W3.org: WAI-ARIA Overview
I've included a short paragraph here:
DevExtreme widgets supports WAI-ARIA standard with the v15.1 release. WAI-ARIA is a web oriented standard, developed in W3C for making web applications accessible. It solves the problem by using special html-attributes in DOM elements which give assistive technologies ability to interact with the page content.
DevExtreme widgets set aria-attributes and change them according to the current control's state.
With DevExtreme v15.1, the end-user can:
- Interact with widgets without a monitor using the tested screen reader application
- Interact with widgets without a mouse using our accessible keyboard navigation
Supported Screen Readers
DevExtreme v15.1 supports the NVDA open source screen reader - one of most popular among open source assistive technologies. However, you may use any other assistive technology supporting the WAI-ARIA standard.