setAttr method

void setAttr(String name, String? value)

Sets an attribute on the element.

If value is null, the attribute is removed. If the attribute is in observedAttributes, attributeChangedCallback will be triggered by the MutationObserver.

Does nothing if not hydrated or running on server.

Example

setAttr('count', '5');     // Sets count="5"
setAttr('disabled', '');   // Sets disabled="" (boolean attribute)
setAttr('count', null);    // Removes the count attribute

Implementation

void setAttr(String name, String? value) {
  if (_element == null) return;
  if (value == null) {
    _element!.removeAttribute(name);
  } else {
    _element!.setAttribute(name, value);
  }
}