Accessibility
From Documentation
Required Setup
ZK accessibility module is a separate, optional jar, you have to include it manually to enable it.
<dependency>
<groupId>org.zkoss.zk</groupId>
<artifactId>za11y</artifactId>
<version>${zk.version}</version>
</dependency>
Check at Runtime
To ensure za11y.jar textbox.zul
<textbox />
Inspect the textbox with developer tool, you will see:
<input id="h5AP0" class="z-textbox" type="text"
aria-disabled="false" aria-readonly="false">
There are ARIA attributed rendered in the element.