setAdditionalAttribute method

void setAdditionalAttribute(
  1. String? namespace,
  2. String name,
  3. String? value
)

Sets, adds or removes an additional attribute.

Implementation

void setAdditionalAttribute(String? namespace, String name, String? value) =>
    TreeElement.setAttributeIn(
      null,
      additionalAttributes,
      namespace,
      name,
      value,
    );