Function attr

attr(element: Element, name: string, value?: string): string | Element
Gets, sets, or removes an attribute on a DOM element. This is a type-safe wrapper around the native DOM attribute methods.
Parameters
- element: Element
  The DOM element to operate on.
- name: string
  The name of the attribute to get, set, or remove.
- Optionalvalue: string
  The value to set for the attribute. If null, the attribute will be removed.
Returns string | Element
The element's attribute value when getting, or the element itself when setting/removing.
Throws
If element is not a valid DOM element or name is not a string.
Example
```
// Get an attribute
const style = attr(element, 'style');

// Set an attribute
attr(element, 'id', 'new-element-id');

// Remove an attribute
attr(element, 'data-temp', null);
```
- Defined in dom/attr.ts:20