LVN command - set_attribute, remove_attribute, & toggle_attribute

[bcardarella]

JS:

set_attribute & remove_attribute
toggle_attribute

---

Data:

# set_attribute
["set_attr", %{attr: ["aria-expanded", "true"]}]

# remove_attribute
["remove_attr", %{attr: "aria-expanded"}]

# toggle_attribute
["toggle_attr", %{attr: ["open", "true"]}]

---

Docs:

set_attribute
remove_attribute
toggle_attribute