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utils.dom.addClass() function

Add a CSS class to a element.

Handles multiple space-separated classes for legacy reasons.

Signature:

export declare function addClass(element: Element, className: string): boolean;

Parameter	Type	Description
element	Element	DOM element to add class to.
className	string	Name of class to add.

Returns:

boolean

True if class was added, false if already present.

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Last updated 2022-10-04 UTC.