(PHP 5, PHP 7, PHP 8)
DOMElement::removeAttribute — Removes attribute
$qualifiedName
Removes attribute named qualifiedName from the element.
qualifiedName
The name of the attribute.
成功时返回 true, 或者在失败时返回 false。
true
false
DOM_NO_MODIFICATION_ALLOWED_ERR
Raised if the node is readonly.