Method notifyMutation

www/js/_hyperscript.js:2470–2472

* Notify the reactivity system that an object was mutated in-place. * Call this after operations like push, splice, append, etc. * @param {Object} obj - The mutated object

(obj)

     * @param {Object} obj - The mutated object
     */
    notifyMutation(obj) {
      this.reactivity.notifyProperty(obj);
    }
    morph(elt, content) {
      this.#morphEngine.morph(elt, content, {
        beforeNodeRemoved: (node) => {