plugin.addStyle()

by feildmaster (January 6, 2026)

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Add CSS to the document.

Syntax

plugin.addStyle(…styles);

…styles

Styles to add to the document

Return Value

Returns Style object

Style {
  remove(),
  replace(...styles),
  append(...styles),
}

Examples

const style = plugin.addStyle('.style1 {}'); // Styles: .style1
style.remove(); // Styles: none
style.replace('.style2 {}'); // Styles: .style2
style.append('.style3 {}', '.style4 {}'); // Styles: .style2, .style3, .style4

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API Documentation: | UnderScript | Plugin | EventEmitter |