Add new function dom-remove-attribute

* doc/lispref/text.texi (Document Object Model): Document it.

* lisp/dom.el (dom-remove-attribute): Add new function.

1 files changed, 6 insertions, 0 deletions

diff --git a/lisp/dom.el b/lisp/dom.el
index 34df0e9af4c..7ff9e07b729 100644
--- a/lisp/dom.el
+++ b/lisp/dom.el
@@ -67,6 +67,12 @@
         (setcdr old value)
       (setcar (cdr node) (nconc (cadr node) (list (cons attribute value)))))))
 
+(defun dom-remove-attribute (node attribute)
+  "Remove ATTRIBUTE from NODE."
+  (setq node (dom-ensure-node node))
+  (when-let ((old (assoc attribute (cadr node))))
+    (setcar (cdr node) (delq old (cadr node)))))
+
 (defmacro dom-attr (node attr)
   "Return the attribute ATTR from NODE.
 A typical attribute is `href'."