How to apply style to netui control using JS?

I need to change background of netui textbox on error input.
Code (JS) for regular HTML control is:
field.className = field.className.addClass("error");
However, it doesn't work for netui controls.
Any ideas?

Hi,
If you are using NetUI Text form fields like textbox, you should also assign tagId to these filed to make is accessible from JavaScript
example:
<netui:form action="test" tagId="frm" >
<netui:textBox dataSource="{actionForm.Name}" styleClass="texta" tagId="textbox" />
</netui:form>
Then you can refer this field in JavaScript as follows
document[netui_names.frm][netui_names.textbox].className="textError"
In these way you can manipulate your NetUI Tags.
Cheers,
Tejas Joshi :-D

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